^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * fs/f2fs/f2fs.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2012 Samsung Electronics Co., Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * http://www.samsung.com/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef _LINUX_F2FS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define _LINUX_F2FS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/uio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/page-flags.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/buffer_head.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/crc32.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/magic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/kobject.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/cred.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/bio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/quotaops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/part_stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <crypto/hash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/fscrypt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/fsverity.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #ifdef CONFIG_F2FS_CHECK_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define f2fs_bug_on(sbi, condition) BUG_ON(condition)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define f2fs_bug_on(sbi, condition) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (WARN_ON(condition)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) set_sbi_flag(sbi, SBI_NEED_FSCK); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) FAULT_KMALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) FAULT_KVMALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) FAULT_PAGE_ALLOC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) FAULT_PAGE_GET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) FAULT_ALLOC_NID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) FAULT_ORPHAN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) FAULT_BLOCK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) FAULT_DIR_DEPTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) FAULT_EVICT_INODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) FAULT_TRUNCATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) FAULT_READ_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) FAULT_CHECKPOINT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) FAULT_DISCARD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) FAULT_WRITE_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) FAULT_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define F2FS_ALL_FAULT_TYPE ((1 << FAULT_MAX) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct f2fs_fault_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) atomic_t inject_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) unsigned int inject_rate;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) unsigned int inject_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) extern const char *f2fs_fault_name[FAULT_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define MIN_ROOT_RESERVED_BLOCKS (128 * 1024 * 1024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) * For mount options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define F2FS_MOUNT_DISCARD 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define F2FS_MOUNT_NOHEAP 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define F2FS_MOUNT_XATTR_USER 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define F2FS_MOUNT_POSIX_ACL 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define F2FS_MOUNT_INLINE_XATTR 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define F2FS_MOUNT_INLINE_DATA 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define F2FS_MOUNT_INLINE_DENTRY 0x00000200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define F2FS_MOUNT_FLUSH_MERGE 0x00000400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define F2FS_MOUNT_NOBARRIER 0x00000800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define F2FS_MOUNT_FASTBOOT 0x00001000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define F2FS_MOUNT_EXTENT_CACHE 0x00002000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define F2FS_MOUNT_DATA_FLUSH 0x00008000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define F2FS_MOUNT_FAULT_INJECTION 0x00010000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define F2FS_MOUNT_USRQUOTA 0x00080000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define F2FS_MOUNT_GRPQUOTA 0x00100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define F2FS_MOUNT_PRJQUOTA 0x00200000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define F2FS_MOUNT_QUOTA 0x00400000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define F2FS_MOUNT_RESERVE_ROOT 0x01000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define F2FS_MOUNT_DISABLE_CHECKPOINT 0x02000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define F2FS_MOUNT_NORECOVERY 0x04000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define F2FS_MOUNT_ATGC 0x08000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define F2FS_MOUNT_MERGE_CHECKPOINT 0x10000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define F2FS_MOUNT_GC_MERGE 0x20000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define F2FS_MOUNT_COMPRESS_CACHE 0x40000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define F2FS_OPTION(sbi) ((sbi)->mount_opt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define ver_after(a, b) (typecheck(unsigned long long, a) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) typecheck(unsigned long long, b) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ((long long)((a) - (b)) > 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) typedef u32 block_t; /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * should not change u32, since it is the on-disk block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) * address format, __le32.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) typedef u32 nid_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #define COMPRESS_EXT_NUM 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * An implementation of an rwsem that is explicitly unfair to readers. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * prevents priority inversion when a low-priority reader acquires the read lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * while sleeping on the write lock but the write lock is needed by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * higher-priority clients.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct f2fs_rwsem {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct rw_semaphore internal_rwsem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) wait_queue_head_t read_waiters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct f2fs_mount_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) unsigned int opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) int write_io_size_bits; /* Write IO size bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) block_t root_reserved_blocks; /* root reserved blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) kuid_t s_resuid; /* reserved blocks for uid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) kgid_t s_resgid; /* reserved blocks for gid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int active_logs; /* # of active logs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) int inline_xattr_size; /* inline xattr size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct f2fs_fault_info fault_info; /* For fault injection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) #ifdef CONFIG_QUOTA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /* Names of quota files with journalled quota */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) char *s_qf_names[MAXQUOTAS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int s_jquota_fmt; /* Format of quota to use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /* For which write hints are passed down to block layer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) int whint_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) int alloc_mode; /* segment allocation policy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) int fsync_mode; /* fsync policy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) int fs_mode; /* fs mode: LFS or ADAPTIVE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) int bggc_mode; /* bggc mode: off, on or sync */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct fscrypt_dummy_policy dummy_enc_policy; /* test dummy encryption */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) block_t unusable_cap_perc; /* percentage for cap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) block_t unusable_cap; /* Amount of space allowed to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * unusable when disabling checkpoint
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /* For compression */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) unsigned char compress_algorithm; /* algorithm type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) unsigned char compress_log_size; /* cluster log size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) unsigned char compress_level; /* compress level */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) bool compress_chksum; /* compressed data chksum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) unsigned char compress_ext_cnt; /* extension count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int compress_mode; /* compression mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) unsigned char extensions[COMPRESS_EXT_NUM][F2FS_EXTENSION_LEN]; /* extensions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #define F2FS_FEATURE_ENCRYPT 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define F2FS_FEATURE_BLKZONED 0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) #define F2FS_FEATURE_ATOMIC_WRITE 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #define F2FS_FEATURE_EXTRA_ATTR 0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #define F2FS_FEATURE_PRJQUOTA 0x0010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #define F2FS_FEATURE_INODE_CHKSUM 0x0020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #define F2FS_FEATURE_QUOTA_INO 0x0080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) #define F2FS_FEATURE_INODE_CRTIME 0x0100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) #define F2FS_FEATURE_LOST_FOUND 0x0200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) #define F2FS_FEATURE_VERITY 0x0400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #define F2FS_FEATURE_SB_CHKSUM 0x0800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #define F2FS_FEATURE_CASEFOLD 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) #define F2FS_FEATURE_COMPRESSION 0x2000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) #define F2FS_FEATURE_RO 0x4000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #define __F2FS_HAS_FEATURE(raw_super, mask) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) ((raw_super->feature & cpu_to_le32(mask)) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) #define F2FS_HAS_FEATURE(sbi, mask) __F2FS_HAS_FEATURE(sbi->raw_super, mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) #define F2FS_SET_FEATURE(sbi, mask) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) (sbi->raw_super->feature |= cpu_to_le32(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) #define F2FS_CLEAR_FEATURE(sbi, mask) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) (sbi->raw_super->feature &= ~cpu_to_le32(mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * Default values for user and/or group using reserved blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) #define F2FS_DEF_RESUID 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #define F2FS_DEF_RESGID 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * For checkpoint manager
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) NAT_BITMAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) SIT_BITMAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) #define CP_UMOUNT 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) #define CP_FASTBOOT 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) #define CP_SYNC 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) #define CP_RECOVERY 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) #define CP_DISCARD 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) #define CP_TRIMMED 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) #define CP_PAUSE 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) #define CP_RESIZE 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #define DEF_MID_DISCARD_ISSUE_TIME 500 /* 500 ms, if device busy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) #define DEF_CP_INTERVAL 60 /* 60 secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #define DEF_IDLE_INTERVAL 5 /* 5 secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) #define DEF_DISABLE_INTERVAL 5 /* 5 secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) #define DEF_DISABLE_QUICK_INTERVAL 1 /* 1 secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) #define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) struct cp_control {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) int reason;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) __u64 trim_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) __u64 trim_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) __u64 trim_minlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) * indicate meta/data type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) META_CP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) META_NAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) META_SIT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) META_SSA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) META_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) META_POR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) DATA_GENERIC, /* check range only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) DATA_GENERIC_ENHANCE, /* strong check on range and segment bitmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) DATA_GENERIC_ENHANCE_READ, /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * strong check on range and segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * bitmap but no warning due to race
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * condition of read on truncated area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) * by extent_cache
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) META_GENERIC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) /* for the list of ino */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) ORPHAN_INO, /* for orphan ino list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) APPEND_INO, /* for append ino list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) UPDATE_INO, /* for update ino list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) TRANS_DIR_INO, /* for trasactions dir ino list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) FLUSH_INO, /* for multiple device flushing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) MAX_INO_ENTRY, /* max. list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) struct ino_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) struct list_head list; /* list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) nid_t ino; /* inode number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) unsigned int dirty_device; /* dirty device bitmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) /* for the list of inodes to be GCed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) struct inode_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct list_head list; /* list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) struct inode *inode; /* vfs inode pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) struct fsync_node_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) struct list_head list; /* list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) struct page *page; /* warm node page pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) unsigned int seq_id; /* sequence id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) struct ckpt_req {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct completion wait; /* completion for checkpoint done */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) struct llist_node llnode; /* llist_node to be linked in wait queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) int ret; /* return code of checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) ktime_t queue_time; /* request queued time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) struct ckpt_req_control {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) struct task_struct *f2fs_issue_ckpt; /* checkpoint task */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) int ckpt_thread_ioprio; /* checkpoint merge thread ioprio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) wait_queue_head_t ckpt_wait_queue; /* waiting queue for wake-up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) atomic_t issued_ckpt; /* # of actually issued ckpts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) atomic_t total_ckpt; /* # of total ckpts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) atomic_t queued_ckpt; /* # of queued ckpts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) struct llist_head issue_list; /* list for command issue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) spinlock_t stat_lock; /* lock for below checkpoint time stats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) unsigned int cur_time; /* cur wait time in msec for currently issued checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) unsigned int peak_time; /* peak wait time in msec until now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) /* for the bitmap indicate blocks to be discarded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) struct discard_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct list_head list; /* list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) block_t start_blkaddr; /* start blockaddr of current segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /* default discard granularity of inner discard thread, unit: block count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) #define DEFAULT_DISCARD_GRANULARITY 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) /* max discard pend list number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) #define MAX_PLIST_NUM 512
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) (MAX_PLIST_NUM - 1) : ((blk_num) - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) D_PREP, /* initial */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) D_PARTIAL, /* partially submitted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) D_SUBMIT, /* all submitted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) D_DONE, /* finished */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) struct discard_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) block_t lstart; /* logical start address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) block_t len; /* length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) block_t start; /* actual start address in dev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) struct discard_cmd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct rb_node rb_node; /* rb node located in rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) block_t lstart; /* logical start address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) block_t len; /* length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) block_t start; /* actual start address in dev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) struct discard_info di; /* discard info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) struct list_head list; /* command list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) struct completion wait; /* compleation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) struct block_device *bdev; /* bdev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) unsigned short ref; /* reference count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) unsigned char state; /* state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) unsigned char queued; /* queued discard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) int error; /* bio error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) spinlock_t lock; /* for state/bio_ref updating */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) unsigned short bio_ref; /* bio reference count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) DPOLICY_BG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) DPOLICY_FORCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) DPOLICY_FSTRIM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) DPOLICY_UMOUNT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) MAX_DPOLICY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) struct discard_policy {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) int type; /* type of discard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) unsigned int min_interval; /* used for candidates exist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) unsigned int mid_interval; /* used for device busy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) unsigned int max_interval; /* used for candidates not exist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) unsigned int max_requests; /* # of discards issued per round */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) bool io_aware; /* issue discard in idle time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) bool sync; /* submit discard with REQ_SYNC flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) bool ordered; /* issue discard by lba order */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) bool timeout; /* discard timeout for put_super */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) unsigned int granularity; /* discard granularity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) struct discard_cmd_control {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) struct task_struct *f2fs_issue_discard; /* discard thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) struct list_head entry_list; /* 4KB discard entry list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) struct list_head wait_list; /* store on-flushing entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) struct list_head fstrim_list; /* in-flight discard from fstrim */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) unsigned int discard_wake; /* to wake up discard thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) struct mutex cmd_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) unsigned int nr_discards; /* # of discards in the list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) unsigned int max_discards; /* max. discards to be issued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) unsigned int discard_granularity; /* discard granularity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) unsigned int undiscard_blks; /* # of undiscard blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) unsigned int next_pos; /* next discard position */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) atomic_t issued_discard; /* # of issued discard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) atomic_t queued_discard; /* # of queued discard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) atomic_t discard_cmd_cnt; /* # of cached cmd count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) struct rb_root_cached root; /* root of discard rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) bool rbtree_check; /* config for consistence check */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) /* for the list of fsync inodes, used only during recovery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) struct fsync_inode_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) struct list_head list; /* list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) struct inode *inode; /* vfs inode pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) block_t blkaddr; /* block address locating the last fsync */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) block_t last_dentry; /* block address locating the last dentry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) int before = nats_in_cursum(journal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) journal->n_nats = cpu_to_le16(before + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) return before;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) int before = sits_in_cursum(journal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) journal->n_sits = cpu_to_le16(before + i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) return before;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static inline bool __has_cursum_space(struct f2fs_journal *journal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) int size, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) if (type == NAT_JOURNAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) return size <= MAX_NAT_JENTRIES(journal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) return size <= MAX_SIT_JENTRIES(journal);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) /* for inline stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) #define DEF_INLINE_RESERVED_SIZE 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) static inline int get_extra_isize(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) static inline int get_inline_xattr_addrs(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) (CUR_ADDRS_PER_INODE(inode) - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) get_inline_xattr_addrs(inode) - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) DEF_INLINE_RESERVED_SIZE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) /* for inline dir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) BITS_PER_BYTE + 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) #define INLINE_DENTRY_BITMAP_SIZE(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) DIV_ROUND_UP(NR_INLINE_DENTRY(inode), BITS_PER_BYTE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) NR_INLINE_DENTRY(inode) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) INLINE_DENTRY_BITMAP_SIZE(inode)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) * For INODE and NODE manager
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) /* for directory operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) struct f2fs_filename {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) * The filename the user specified. This is NULL for some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) * filesystem-internal operations, e.g. converting an inline directory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) * to a non-inline one, or roll-forward recovering an encrypted dentry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) const struct qstr *usr_fname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) * The on-disk filename. For encrypted directories, this is encrypted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) * This may be NULL for lookups in an encrypted dir without the key.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) struct fscrypt_str disk_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) /* The dirhash of this filename */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) f2fs_hash_t hash;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) #ifdef CONFIG_FS_ENCRYPTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) * For lookups in encrypted directories: either the buffer backing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) * disk_name, or a buffer that holds the decoded no-key name.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) struct fscrypt_str crypto_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) * For casefolded directories: the casefolded name, but it's left NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) * if the original name is not valid Unicode, if the directory is both
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * casefolded and encrypted and its encryption key is unavailable, or if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * the filesystem is doing an internal operation where usr_fname is also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * NULL. In all these cases we fall back to treating the name as an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) * opaque byte sequence.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) struct fscrypt_str cf_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) struct f2fs_dentry_ptr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) void *bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) struct f2fs_dir_entry *dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) __u8 (*filename)[F2FS_SLOT_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) int max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) int nr_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static inline void make_dentry_ptr_block(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) d->inode = inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) d->max = NR_DENTRY_IN_BLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) d->nr_bitmap = SIZE_OF_DENTRY_BITMAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) d->bitmap = t->dentry_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) d->dentry = t->dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) d->filename = t->filename;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) static inline void make_dentry_ptr_inline(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) struct f2fs_dentry_ptr *d, void *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) int entry_cnt = NR_INLINE_DENTRY(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) int reserved_size = INLINE_RESERVED_SIZE(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) d->inode = inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) d->max = entry_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) d->nr_bitmap = bitmap_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) d->bitmap = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) d->dentry = t + bitmap_size + reserved_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) d->filename = t + bitmap_size + reserved_size +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) SIZE_OF_DIR_ENTRY * entry_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) * as its node offset to distinguish from index node blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) * But some bits are used to mark the node block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) >> OFFSET_BIT_SHIFT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) ALLOC_NODE, /* allocate a new node page if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) LOOKUP_NODE, /* look up a node without readahead */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) LOOKUP_NODE_RA, /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) * look up a node with readahead called
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) * by get_data_block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) #define DEFAULT_RETRY_IO_COUNT 8 /* maximum retry read IO count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) /* congestion wait timeout value, default: 20ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) #define DEFAULT_IO_TIMEOUT (msecs_to_jiffies(20))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) /* maximum retry quota flush count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) #define DEFAULT_RETRY_QUOTA_FLUSH_COUNT 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) /* for in-memory extent cache entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) /* number of extent info in extent cache we try to shrink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) #define EXTENT_CACHE_SHRINK_NUMBER 128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) struct rb_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) struct rb_node rb_node; /* rb node located in rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) unsigned int ofs; /* start offset of the entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) unsigned int len; /* length of the entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) unsigned long long key; /* 64-bits key */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) } __packed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) struct extent_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) unsigned int fofs; /* start offset in a file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) unsigned int len; /* length of the extent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) u32 blk; /* start block address of the extent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct extent_node {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) struct rb_node rb_node; /* rb node located in rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) struct extent_info ei; /* extent info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) struct list_head list; /* node in global extent list of sbi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct extent_tree *et; /* extent tree pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) struct extent_tree {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) nid_t ino; /* inode number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) struct rb_root_cached root; /* root of extent info rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) struct extent_node *cached_en; /* recently accessed extent node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) struct extent_info largest; /* largested extent info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) struct list_head list; /* to be used by sbi->zombie_list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) rwlock_t lock; /* protect extent info rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) atomic_t node_cnt; /* # of extent node in rb-tree*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) bool largest_updated; /* largest extent updated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) * This structure is taken from ext4_map_blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) #define F2FS_MAP_NEW (1 << BH_New)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) #define F2FS_MAP_MAPPED (1 << BH_Mapped)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) F2FS_MAP_UNWRITTEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) struct f2fs_map_blocks {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) block_t m_pblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) block_t m_lblk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) unsigned int m_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) unsigned int m_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) pgoff_t *m_next_extent; /* point to next possible extent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) int m_seg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) bool m_may_create; /* indicate it is from write path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) /* for flag in get_data_block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) F2FS_GET_BLOCK_DEFAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) F2FS_GET_BLOCK_FIEMAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) F2FS_GET_BLOCK_BMAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) F2FS_GET_BLOCK_DIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) F2FS_GET_BLOCK_PRE_DIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) F2FS_GET_BLOCK_PRE_AIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) F2FS_GET_BLOCK_PRECACHE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) * i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) #define FADVISE_COLD_BIT 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) #define FADVISE_LOST_PINO_BIT 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) #define FADVISE_ENCRYPT_BIT 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) #define FADVISE_ENC_NAME_BIT 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) #define FADVISE_KEEP_SIZE_BIT 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) #define FADVISE_HOT_BIT 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) #define FADVISE_VERITY_BIT 0x40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) #define FADVISE_MODIFIABLE_BITS (FADVISE_COLD_BIT | FADVISE_HOT_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) #define file_is_verity(inode) is_file(inode, FADVISE_VERITY_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) #define file_set_verity(inode) set_file(inode, FADVISE_VERITY_BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) #define DEF_DIR_LEVEL 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) GC_FAILURE_PIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) GC_FAILURE_ATOMIC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) MAX_GC_FAILURE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) /* used for f2fs_inode_info->flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) FI_NEW_INODE, /* indicate newly allocated inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) FI_DIRTY_INODE, /* indicate inode is dirty or not */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) FI_AUTO_RECOVER, /* indicate inode is recoverable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) FI_DIRTY_DIR, /* indicate directory has dirty pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) FI_INC_LINK, /* need to increment i_nlink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) FI_ACL_MODE, /* indicate acl mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) FI_NO_ALLOC, /* should not allocate any blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) FI_FREE_NID, /* free allocated nide */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) FI_NO_EXTENT, /* not to use the extent cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) FI_INLINE_XATTR, /* used for inline xattr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) FI_INLINE_DATA, /* used for inline data*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) FI_INLINE_DENTRY, /* used for inline dentry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) FI_APPEND_WRITE, /* inode has appended data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) FI_UPDATE_WRITE, /* inode has in-place-update data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) FI_NEED_IPU, /* used for ipu per file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) FI_ATOMIC_FILE, /* indicate atomic file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) FI_VOLATILE_FILE, /* indicate volatile file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) FI_DROP_CACHE, /* drop dirty page cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) FI_DATA_EXIST, /* indicate data exists */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) FI_INLINE_DOTS, /* indicate inline dot dentries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) FI_DO_DEFRAG, /* indicate defragment is running */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) FI_NO_PREALLOC, /* indicate skipped preallocated blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) FI_HOT_DATA, /* indicate file is hot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) FI_EXTRA_ATTR, /* indicate file has extra attribute */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) FI_PROJ_INHERIT, /* indicate file inherits projectid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) FI_PIN_FILE, /* indicate file should not be gced */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) FI_ATOMIC_REVOKE_REQUEST, /* request to drop atomic data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) FI_VERITY_IN_PROGRESS, /* building fs-verity Merkle tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) FI_COMPRESSED_FILE, /* indicate file's data can be compressed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) FI_COMPRESS_CORRUPT, /* indicate compressed cluster is corrupted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) FI_MMAP_FILE, /* indicate file was mmapped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) FI_ENABLE_COMPRESS, /* enable compression in "user" compression mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) FI_COMPRESS_RELEASED, /* compressed blocks were released */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) FI_ALIGNED_WRITE, /* enable aligned write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) FI_MAX, /* max flag, never be used */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) struct f2fs_inode_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) struct inode vfs_inode; /* serve a vfs inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) unsigned long i_flags; /* keep an inode flags for ioctl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) unsigned char i_advise; /* use to give file attribute hints */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) unsigned char i_dir_level; /* use for dentry level for large dir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) unsigned int i_current_depth; /* only for directory depth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) /* for gc failure statistic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) unsigned int i_gc_failures[MAX_GC_FAILURE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) unsigned int i_pino; /* parent inode number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) umode_t i_acl_mode; /* keep file acl mode temporarily */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) /* Use below internally in f2fs*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) unsigned long flags[BITS_TO_LONGS(FI_MAX)]; /* use to pass per-file flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) struct f2fs_rwsem i_sem; /* protect fi info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) atomic_t dirty_pages; /* # of dirty pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) f2fs_hash_t chash; /* hash value of given file name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) unsigned int clevel; /* maximum level of given file name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) struct task_struct *task; /* lookup and create consistency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) struct task_struct *cp_task; /* separate cp/wb IO stats*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) nid_t i_xattr_nid; /* node id that contains xattrs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) loff_t last_disk_size; /* lastly written file size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) spinlock_t i_size_lock; /* protect last_disk_size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) #ifdef CONFIG_QUOTA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) struct dquot *i_dquot[MAXQUOTAS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) /* quota space reservation, managed internally by quota code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) qsize_t i_reserved_quota;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) struct list_head dirty_list; /* dirty list for dirs and files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) struct list_head gdirty_list; /* linked in global dirty list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) struct list_head inmem_ilist; /* list for inmem inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) struct list_head inmem_pages; /* inmemory pages managed by f2fs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) struct task_struct *inmem_task; /* store inmemory task */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) struct mutex inmem_lock; /* lock for inmemory pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) struct extent_tree *extent_tree; /* cached extent_tree entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) /* avoid racing between foreground op and gc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) struct f2fs_rwsem i_gc_rwsem[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) struct f2fs_rwsem i_mmap_sem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) struct f2fs_rwsem i_xattr_sem; /* avoid racing between reading and changing EAs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) int i_extra_isize; /* size of extra space located in i_addr */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) kprojid_t i_projid; /* id for project quota */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) int i_inline_xattr_size; /* inline xattr size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) struct timespec64 i_crtime; /* inode creation time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) struct timespec64 i_disk_time[4];/* inode disk times */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) /* for file compress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) atomic_t i_compr_blocks; /* # of compressed blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) unsigned char i_compress_algorithm; /* algorithm type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) unsigned char i_log_cluster_size; /* log of cluster size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) unsigned char i_compress_level; /* compress level (lz4hc,zstd) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) unsigned short i_compress_flag; /* compress flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) unsigned int i_cluster_size; /* cluster size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) static inline void get_extent_info(struct extent_info *ext,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) struct f2fs_extent *i_ext)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) ext->fofs = le32_to_cpu(i_ext->fofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) ext->blk = le32_to_cpu(i_ext->blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) ext->len = le32_to_cpu(i_ext->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) static inline void set_raw_extent(struct extent_info *ext,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) struct f2fs_extent *i_ext)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) i_ext->fofs = cpu_to_le32(ext->fofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) i_ext->blk = cpu_to_le32(ext->blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) i_ext->len = cpu_to_le32(ext->len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) static inline void set_extent_info(struct extent_info *ei, unsigned int fofs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) u32 blk, unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) ei->fofs = fofs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) ei->blk = blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) ei->len = len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) static inline bool __is_discard_mergeable(struct discard_info *back,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) struct discard_info *front, unsigned int max_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) return (back->lstart + back->len == front->lstart) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) (back->len + front->len <= max_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) static inline bool __is_discard_back_mergeable(struct discard_info *cur,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) struct discard_info *back, unsigned int max_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) return __is_discard_mergeable(back, cur, max_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) static inline bool __is_discard_front_mergeable(struct discard_info *cur,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) struct discard_info *front, unsigned int max_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) return __is_discard_mergeable(cur, front, max_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) static inline bool __is_extent_mergeable(struct extent_info *back,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) struct extent_info *front)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) return (back->fofs + back->len == front->fofs &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) back->blk + back->len == front->blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) static inline bool __is_back_mergeable(struct extent_info *cur,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) struct extent_info *back)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) return __is_extent_mergeable(back, cur);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) static inline bool __is_front_mergeable(struct extent_info *cur,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) struct extent_info *front)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) return __is_extent_mergeable(cur, front);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) static inline void __try_update_largest_extent(struct extent_tree *et,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) struct extent_node *en)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (en->ei.len > et->largest.len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) et->largest = en->ei;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) et->largest_updated = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) * For free nid management
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) enum nid_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) FREE_NID, /* newly added to free nid list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) PREALLOC_NID, /* it is preallocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) MAX_NID_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) enum nat_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) TOTAL_NAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) DIRTY_NAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) RECLAIMABLE_NAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) MAX_NAT_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) struct f2fs_nm_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) block_t nat_blkaddr; /* base disk address of NAT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) nid_t max_nid; /* maximum possible node ids */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) nid_t available_nids; /* # of available node ids */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) nid_t next_scan_nid; /* the next nid to be scanned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) unsigned int ram_thresh; /* control the memory footprint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) /* NAT cache management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) struct radix_tree_root nat_root;/* root of the nat entry cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) struct radix_tree_root nat_set_root;/* root of the nat set cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) struct f2fs_rwsem nat_tree_lock; /* protect nat entry tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) struct list_head nat_entries; /* cached nat entry list (clean) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) spinlock_t nat_list_lock; /* protect clean nat entry list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) unsigned int nat_cnt[MAX_NAT_STATE]; /* the # of cached nat entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) unsigned int nat_blocks; /* # of nat blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) /* free node ids management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) struct radix_tree_root free_nid_root;/* root of the free_nid cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) struct list_head free_nid_list; /* list for free nids excluding preallocated nids */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) spinlock_t nid_list_lock; /* protect nid lists ops */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) struct mutex build_lock; /* lock for build free nids */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) unsigned char **free_nid_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) unsigned char *nat_block_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) unsigned short *free_nid_count; /* free nid count of NAT block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) /* for checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) char *nat_bitmap; /* NAT bitmap pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) unsigned int nat_bits_blocks; /* # of nat bits blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) unsigned char *nat_bits; /* NAT bits blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) unsigned char *full_nat_bits; /* full NAT pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) unsigned char *empty_nat_bits; /* empty NAT pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) #ifdef CONFIG_F2FS_CHECK_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) char *nat_bitmap_mir; /* NAT bitmap mirror */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) int bitmap_size; /* bitmap size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) * this structure is used as one of function parameters.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) * all the information are dedicated to a given direct node block determined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) * by the data offset in a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) struct dnode_of_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) struct inode *inode; /* vfs inode pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) struct page *inode_page; /* its inode page, NULL is possible */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) struct page *node_page; /* cached direct node page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) nid_t nid; /* node id of the direct node block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) unsigned int ofs_in_node; /* data offset in the node page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) bool inode_page_locked; /* inode page is locked or not */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) bool node_changed; /* is node block changed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) char cur_level; /* level of hole node page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) char max_level; /* level of current page located */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) block_t data_blkaddr; /* block address of the node block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) struct page *ipage, struct page *npage, nid_t nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) memset(dn, 0, sizeof(*dn));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) dn->inode = inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) dn->inode_page = ipage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) dn->node_page = npage;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) dn->nid = nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) * For SIT manager
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) * By default, there are 6 active log areas across the whole main area.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) * When considering hot and cold data separation to reduce cleaning overhead,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) * we split 3 for data logs and 3 for node logs as hot, warm, and cold types,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) * respectively.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) * In the current design, you should not change the numbers intentionally.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) * logs individually according to the underlying devices. (default: 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) * data and 8 for node logs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) #define NR_CURSEG_DATA_TYPE (3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) #define NR_CURSEG_NODE_TYPE (3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) #define NR_CURSEG_INMEM_TYPE (2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) #define NR_CURSEG_RO_TYPE (2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) #define NR_CURSEG_PERSIST_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) #define NR_CURSEG_TYPE (NR_CURSEG_INMEM_TYPE + NR_CURSEG_PERSIST_TYPE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) CURSEG_HOT_DATA = 0, /* directory entry blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) CURSEG_WARM_DATA, /* data blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) CURSEG_COLD_DATA, /* multimedia or GCed data blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) CURSEG_HOT_NODE, /* direct node blocks of directory files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) CURSEG_WARM_NODE, /* direct node blocks of normal files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) CURSEG_COLD_NODE, /* indirect node blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) NR_PERSISTENT_LOG, /* number of persistent log */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) CURSEG_COLD_DATA_PINNED = NR_PERSISTENT_LOG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) /* pinned file that needs consecutive block address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) CURSEG_ALL_DATA_ATGC, /* SSR alloctor in hot/warm/cold data area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) NO_CHECK_TYPE, /* number of persistent & inmem log */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) struct flush_cmd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) struct completion wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) struct llist_node llnode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) nid_t ino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) struct flush_cmd_control {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) struct task_struct *f2fs_issue_flush; /* flush thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) atomic_t issued_flush; /* # of issued flushes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) atomic_t queued_flush; /* # of queued flushes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) struct llist_head issue_list; /* list for command issue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) struct llist_node *dispatch_list; /* list for command dispatch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) struct f2fs_sm_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) struct sit_info *sit_info; /* whole segment information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) struct free_segmap_info *free_info; /* free segment information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) struct dirty_seglist_info *dirty_info; /* dirty segment information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) struct curseg_info *curseg_array; /* active segment information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) struct f2fs_rwsem curseg_lock; /* for preventing curseg change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) block_t seg0_blkaddr; /* block address of 0'th segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) block_t main_blkaddr; /* start block address of main area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) block_t ssa_blkaddr; /* start block address of SSA area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) unsigned int segment_count; /* total # of segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) unsigned int main_segments; /* # of segments in main area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) unsigned int reserved_segments; /* # of reserved segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) unsigned int additional_reserved_segments;/* reserved segs for IO align feature */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) unsigned int ovp_segments; /* # of overprovision segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) /* a threshold to reclaim prefree segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) unsigned int rec_prefree_segments;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) /* for batched trimming */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) unsigned int trim_sections; /* # of sections to trim */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) struct list_head sit_entry_set; /* sit entry set list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) unsigned int ipu_policy; /* in-place-update policy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) unsigned int min_ipu_util; /* in-place-update threshold */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) unsigned int min_fsync_blocks; /* threshold for fsync */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) unsigned int min_seq_blocks; /* threshold for sequential blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) unsigned int min_hot_blocks; /* threshold for hot block allocation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) /* for flush command control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) struct flush_cmd_control *fcc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) /* for discard command control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) struct discard_cmd_control *dcc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) * For superblock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) * COUNT_TYPE for monitoring
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) * f2fs monitors the number of several block types such as on-writeback,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) * dirty dentry blocks, dirty node blocks, and dirty meta blocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) enum count_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) F2FS_DIRTY_DENTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) F2FS_DIRTY_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) F2FS_DIRTY_QDATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) F2FS_DIRTY_NODES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) F2FS_DIRTY_META,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) F2FS_INMEM_PAGES,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) F2FS_DIRTY_IMETA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) F2FS_WB_CP_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) F2FS_WB_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) F2FS_RD_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) F2FS_RD_NODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) F2FS_RD_META,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) F2FS_DIO_WRITE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) F2FS_DIO_READ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) NR_COUNT_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) * The below are the page types of bios used in submit_bio().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) * The available types are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) * DATA User data pages. It operates as async mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) * NODE Node pages. It operates as async mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) * META FS metadata pages such as SIT, NAT, CP.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) * NR_PAGE_TYPE The number of page types.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) * META_FLUSH Make sure the previous pages are written
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) * with waiting the bio's completion
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) * ... Only can be used with META.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) enum page_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) NODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) META,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) NR_PAGE_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) META_FLUSH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) INMEM, /* the below types are used by tracepoints only. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) INMEM_DROP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) INMEM_INVALIDATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) INMEM_REVOKE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) IPU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) OPU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) enum temp_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) HOT = 0, /* must be zero for meta bio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) WARM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) COLD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) NR_TEMP_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) enum need_lock_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) LOCK_REQ = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) LOCK_DONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) LOCK_RETRY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) enum cp_reason_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) CP_NO_NEEDED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) CP_NON_REGULAR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) CP_COMPRESSED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) CP_HARDLINK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) CP_SB_NEED_CP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) CP_WRONG_PINO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) CP_NO_SPC_ROLL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) CP_NODE_NEED_CP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) CP_FASTBOOT_MODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) CP_SPEC_LOG_NUM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) CP_RECOVER_DIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) enum iostat_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) /* WRITE IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) APP_DIRECT_IO, /* app direct write IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) APP_BUFFERED_IO, /* app buffered write IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) APP_WRITE_IO, /* app write IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) APP_MAPPED_IO, /* app mapped IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) FS_META_IO, /* meta IOs from kworker/reclaimer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) FS_GC_DATA_IO, /* data IOs from forground gc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) FS_GC_NODE_IO, /* node IOs from forground gc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) FS_CP_DATA_IO, /* data IOs from checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) FS_CP_NODE_IO, /* node IOs from checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) FS_CP_META_IO, /* meta IOs from checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) /* READ IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) APP_DIRECT_READ_IO, /* app direct read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) APP_BUFFERED_READ_IO, /* app buffered read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) APP_READ_IO, /* app read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) APP_MAPPED_READ_IO, /* app mapped read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) FS_DATA_READ_IO, /* data read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) FS_GDATA_READ_IO, /* data read IOs from background gc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) FS_CDATA_READ_IO, /* compressed data read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) FS_NODE_READ_IO, /* node read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) FS_META_READ_IO, /* meta read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) /* other */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) FS_DISCARD, /* discard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) NR_IO_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) struct f2fs_io_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) nid_t ino; /* inode number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) enum page_type type; /* contains DATA/NODE/META/META_FLUSH */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) enum temp_type temp; /* contains HOT/WARM/COLD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) int op; /* contains REQ_OP_ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) int op_flags; /* req_flag_bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) block_t new_blkaddr; /* new block address to be written */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) block_t old_blkaddr; /* old block address before Cow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) struct page *page; /* page to be written */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) struct page *encrypted_page; /* encrypted page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) struct page *compressed_page; /* compressed page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) struct list_head list; /* serialize IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) bool submitted; /* indicate IO submission */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) int need_lock; /* indicate we need to lock cp_rwsem */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) bool in_list; /* indicate fio is in io_list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) bool is_por; /* indicate IO is from recovery or not */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) bool retry; /* need to reallocate block address */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) int compr_blocks; /* # of compressed block addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) bool encrypted; /* indicate file is encrypted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) enum iostat_type io_type; /* io type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) struct writeback_control *io_wbc; /* writeback control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) struct bio **bio; /* bio for ipu */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) sector_t *last_block; /* last block number in bio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) unsigned char version; /* version of the node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) struct bio_entry {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) struct bio *bio;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) #define is_read_io(rw) ((rw) == READ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) struct f2fs_bio_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) struct f2fs_sb_info *sbi; /* f2fs superblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) struct bio *bio; /* bios to merge */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) sector_t last_block_in_bio; /* last block number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) struct f2fs_io_info fio; /* store buffered io info. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) struct f2fs_rwsem io_rwsem; /* blocking op for bio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) spinlock_t io_lock; /* serialize DATA/NODE IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) struct list_head io_list; /* track fios */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) struct list_head bio_list; /* bio entry list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) struct f2fs_rwsem bio_list_lock; /* lock to protect bio entry list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) #define FDEV(i) (sbi->devs[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) #define RDEV(i) (raw_super->devs[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) struct f2fs_dev_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) struct block_device *bdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) char path[MAX_PATH_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) unsigned int total_segments;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) block_t start_blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) block_t end_blk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) #ifdef CONFIG_BLK_DEV_ZONED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) unsigned int nr_blkz; /* Total number of zones */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) unsigned long *blkz_seq; /* Bitmap indicating sequential zones */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) block_t *zone_capacity_blocks; /* Array of zone capacity in blks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) enum inode_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) DIR_INODE, /* for dirty dir inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) FILE_INODE, /* for dirty regular/symlink inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) DIRTY_META, /* for all dirtied inode metadata */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) ATOMIC_FILE, /* for all atomic files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) NR_INODE_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) /* for inner inode cache management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) struct inode_management {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) struct radix_tree_root ino_root; /* ino entry array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) spinlock_t ino_lock; /* for ino entry lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) struct list_head ino_list; /* inode list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) unsigned long ino_num; /* number of entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) /* for GC_AT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) struct atgc_management {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) bool atgc_enabled; /* ATGC is enabled or not */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) struct rb_root_cached root; /* root of victim rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) struct list_head victim_list; /* linked with all victim entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) unsigned int victim_count; /* victim count in rb-tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) unsigned int candidate_ratio; /* candidate ratio */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) unsigned int max_candidate_count; /* max candidate count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) unsigned int age_weight; /* age weight, vblock_weight = 100 - age_weight */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) unsigned long long age_threshold; /* age threshold */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) /* For s_flag in struct f2fs_sb_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) SBI_IS_DIRTY, /* dirty flag for checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) SBI_IS_CLOSE, /* specify unmounting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) SBI_NEED_FSCK, /* need fsck.f2fs to fix */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) SBI_POR_DOING, /* recovery is doing or not */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) SBI_NEED_SB_WRITE, /* need to recover superblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) SBI_NEED_CP, /* need to checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) SBI_IS_SHUTDOWN, /* shutdown by ioctl */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) SBI_IS_RECOVERED, /* recovered orphan/data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) SBI_CP_DISABLED, /* CP was disabled last mount */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) SBI_CP_DISABLED_QUICK, /* CP was disabled quickly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) SBI_QUOTA_NEED_FLUSH, /* need to flush quota info in CP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) SBI_QUOTA_SKIP_FLUSH, /* skip flushing quota in current CP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) SBI_QUOTA_NEED_REPAIR, /* quota file may be corrupted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) SBI_IS_RESIZEFS, /* resizefs is in process */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) CP_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) REQ_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) DISCARD_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) GC_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) DISABLE_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) UMOUNT_DISCARD_TIMEOUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) MAX_TIME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) GC_NORMAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) GC_IDLE_CB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) GC_IDLE_GREEDY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) GC_IDLE_AT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) GC_URGENT_HIGH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) GC_URGENT_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) MAX_GC_MODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) BGGC_MODE_ON, /* background gc is on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) BGGC_MODE_OFF, /* background gc is off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) BGGC_MODE_SYNC, /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) * background gc is on, migrating blocks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) * like foreground gc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) FS_MODE_LFS, /* use lfs allocation only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) WHINT_MODE_OFF, /* not pass down write hints */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) WHINT_MODE_USER, /* try to pass down hints given by users */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) WHINT_MODE_FS, /* pass down hints with F2FS policy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) ALLOC_MODE_DEFAULT, /* stay default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) ALLOC_MODE_REUSE, /* reuse segments as much as possible */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) enum fsync_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) FSYNC_MODE_POSIX, /* fsync follows posix semantics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) COMPR_MODE_FS, /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) * automatically compress compression
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) * enabled files
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) COMPR_MODE_USER, /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) * automatical compression is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) * user can control the file compression
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) * using ioctls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) static inline int f2fs_test_bit(unsigned int nr, char *addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) static inline void f2fs_set_bit(unsigned int nr, char *addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) static inline void f2fs_clear_bit(unsigned int nr, char *addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) * Layout of f2fs page.private:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) * Layout A: lowest bit should be 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) * | bit0 = 1 | bit1 | bit2 | ... | bit MAX | private data .... |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) * bit 0 PAGE_PRIVATE_NOT_POINTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) * bit 1 PAGE_PRIVATE_ATOMIC_WRITE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) * bit 2 PAGE_PRIVATE_DUMMY_WRITE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) * bit 3 PAGE_PRIVATE_ONGOING_MIGRATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) * bit 4 PAGE_PRIVATE_INLINE_INODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) * bit 5 PAGE_PRIVATE_REF_RESOURCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) * bit 6- f2fs private data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) * Layout B: lowest bit should be 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) * page.private is a wrapped pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) PAGE_PRIVATE_NOT_POINTER, /* private contains non-pointer data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) PAGE_PRIVATE_ATOMIC_WRITE, /* data page from atomic write path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) PAGE_PRIVATE_DUMMY_WRITE, /* data page for padding aligned IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) PAGE_PRIVATE_ONGOING_MIGRATION, /* data page which is on-going migrating */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) PAGE_PRIVATE_INLINE_INODE, /* inode page contains inline data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) PAGE_PRIVATE_REF_RESOURCE, /* dirty page has referenced resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) PAGE_PRIVATE_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) #define PAGE_PRIVATE_GET_FUNC(name, flagname) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) static inline bool page_private_##name(struct page *page) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) return PagePrivate(page) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) test_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)) && \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) test_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) #define PAGE_PRIVATE_SET_FUNC(name, flagname) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) static inline void set_page_private_##name(struct page *page) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) if (!PagePrivate(page)) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) get_page(page); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) SetPagePrivate(page); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) set_page_private(page, 0); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) set_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) #define PAGE_PRIVATE_CLEAR_FUNC(name, flagname) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) static inline void clear_page_private_##name(struct page *page) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) clear_bit(PAGE_PRIVATE_##flagname, &page_private(page)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) set_page_private(page, 0); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) if (PagePrivate(page)) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) ClearPagePrivate(page); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) put_page(page); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) }\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) PAGE_PRIVATE_GET_FUNC(nonpointer, NOT_POINTER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) PAGE_PRIVATE_GET_FUNC(reference, REF_RESOURCE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) PAGE_PRIVATE_GET_FUNC(inline, INLINE_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) PAGE_PRIVATE_GET_FUNC(gcing, ONGOING_MIGRATION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) PAGE_PRIVATE_GET_FUNC(atomic, ATOMIC_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) PAGE_PRIVATE_GET_FUNC(dummy, DUMMY_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) PAGE_PRIVATE_SET_FUNC(reference, REF_RESOURCE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) PAGE_PRIVATE_SET_FUNC(inline, INLINE_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) PAGE_PRIVATE_SET_FUNC(gcing, ONGOING_MIGRATION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) PAGE_PRIVATE_SET_FUNC(atomic, ATOMIC_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) PAGE_PRIVATE_SET_FUNC(dummy, DUMMY_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) PAGE_PRIVATE_CLEAR_FUNC(reference, REF_RESOURCE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) PAGE_PRIVATE_CLEAR_FUNC(inline, INLINE_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) PAGE_PRIVATE_CLEAR_FUNC(gcing, ONGOING_MIGRATION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) PAGE_PRIVATE_CLEAR_FUNC(atomic, ATOMIC_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) PAGE_PRIVATE_CLEAR_FUNC(dummy, DUMMY_WRITE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) static inline unsigned long get_page_private_data(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) unsigned long data = page_private(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) if (!test_bit(PAGE_PRIVATE_NOT_POINTER, &data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) return data >> PAGE_PRIVATE_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) static inline void set_page_private_data(struct page *page, unsigned long data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) if (!PagePrivate(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) get_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) SetPagePrivate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) set_page_private(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) set_bit(PAGE_PRIVATE_NOT_POINTER, &page_private(page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) page_private(page) |= data << PAGE_PRIVATE_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) static inline void clear_page_private_data(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) page_private(page) &= (1 << PAGE_PRIVATE_MAX) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) if (page_private(page) == 1 << PAGE_PRIVATE_NOT_POINTER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) set_page_private(page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) if (PagePrivate(page)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) ClearPagePrivate(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) put_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) /* For compression */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) enum compress_algorithm_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) COMPRESS_LZO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) COMPRESS_LZ4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) COMPRESS_ZSTD,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) COMPRESS_LZORLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) COMPRESS_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) enum compress_flag {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) COMPRESS_CHKSUM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) COMPRESS_MAX_FLAG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) #define COMPRESS_WATERMARK 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) #define COMPRESS_PERCENT 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) #define COMPRESS_DATA_RESERVED_SIZE 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) struct compress_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) __le32 clen; /* compressed data size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) __le32 chksum; /* compressed data chksum */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) __le32 reserved[COMPRESS_DATA_RESERVED_SIZE]; /* reserved */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) u8 cdata[]; /* compressed data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) #define COMPRESS_HEADER_SIZE (sizeof(struct compress_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) #define F2FS_COMPRESSED_PAGE_MAGIC 0xF5F2C000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) #define COMPRESS_LEVEL_OFFSET 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) /* compress context */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) struct compress_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) struct inode *inode; /* inode the context belong to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) pgoff_t cluster_idx; /* cluster index number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) unsigned int cluster_size; /* page count in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) unsigned int log_cluster_size; /* log of cluster size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) struct page **rpages; /* pages store raw data in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) unsigned int nr_rpages; /* total page number in rpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) struct page **cpages; /* pages store compressed data in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) unsigned int nr_cpages; /* total page number in cpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) void *rbuf; /* virtual mapped address on rpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) struct compress_data *cbuf; /* virtual mapped address on cpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) size_t rlen; /* valid data length in rbuf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) size_t clen; /* valid data length in cbuf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) void *private; /* payload buffer for specified compression algorithm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) void *private2; /* extra payload buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) /* compress context for write IO path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) struct compress_io_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) u32 magic; /* magic number to indicate page is compressed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) struct inode *inode; /* inode the context belong to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) struct page **rpages; /* pages store raw data in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) unsigned int nr_rpages; /* total page number in rpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) atomic_t pending_pages; /* in-flight compressed page count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) /* Context for decompressing one cluster on the read IO path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) struct decompress_io_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) u32 magic; /* magic number to indicate page is compressed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) struct inode *inode; /* inode the context belong to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) pgoff_t cluster_idx; /* cluster index number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) unsigned int cluster_size; /* page count in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) unsigned int log_cluster_size; /* log of cluster size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) struct page **rpages; /* pages store raw data in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) unsigned int nr_rpages; /* total page number in rpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) struct page **cpages; /* pages store compressed data in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) unsigned int nr_cpages; /* total page number in cpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) struct page **tpages; /* temp pages to pad holes in cluster */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) void *rbuf; /* virtual mapped address on rpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) struct compress_data *cbuf; /* virtual mapped address on cpages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) size_t rlen; /* valid data length in rbuf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) size_t clen; /* valid data length in cbuf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) * The number of compressed pages remaining to be read in this cluster.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) * This is initially nr_cpages. It is decremented by 1 each time a page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) * has been read (or failed to be read). When it reaches 0, the cluster
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) * is decompressed (or an error is reported).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) * If an error occurs before all the pages have been submitted for I/O,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) * then this will never reach 0. In this case the I/O submitter is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) * responsible for calling f2fs_decompress_end_io() instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) atomic_t remaining_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) * Number of references to this decompress_io_ctx.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) * One reference is held for I/O completion. This reference is dropped
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) * after the pagecache pages are updated and unlocked -- either after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) * decompression (and verity if enabled), or after an error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) * In addition, each compressed page holds a reference while it is in a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) * bio. These references are necessary prevent compressed pages from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) * being freed while they are still in a bio.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) refcount_t refcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) bool failed; /* IO error occurred before decompression? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) bool need_verity; /* need fs-verity verification after decompression? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) void *private; /* payload buffer for specified decompression algorithm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) void *private2; /* extra payload buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) struct work_struct verity_work; /* work to verify the decompressed pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) #define NULL_CLUSTER ((unsigned int)(~0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) #define MIN_COMPRESS_LOG_SIZE 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) #define MAX_COMPRESS_LOG_SIZE 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) #define MAX_COMPRESS_WINDOW_SIZE(log_size) ((PAGE_SIZE) << (log_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) struct f2fs_sb_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) struct super_block *sb; /* pointer to VFS super block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) struct proc_dir_entry *s_proc; /* proc entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) struct f2fs_super_block *raw_super; /* raw super block pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) struct f2fs_rwsem sb_lock; /* lock for raw super block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) int valid_super_block; /* valid super block no */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) unsigned long s_flag; /* flags for sbi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) struct mutex writepages; /* mutex for writepages() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) #ifdef CONFIG_BLK_DEV_ZONED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) unsigned int blocks_per_blkz; /* F2FS blocks per zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) /* for node-related operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) struct f2fs_nm_info *nm_info; /* node manager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) struct inode *node_inode; /* cache node blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) /* for segment-related operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) struct f2fs_sm_info *sm_info; /* segment manager */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) /* for bio operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) /* keep migration IO order for LFS mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) struct f2fs_rwsem io_order_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) mempool_t *write_io_dummy; /* Dummy pages */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) /* for checkpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) int cur_cp_pack; /* remain current cp pack */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) spinlock_t cp_lock; /* for flag in ckpt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) struct inode *meta_inode; /* cache meta blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) struct f2fs_rwsem cp_global_sem; /* checkpoint procedure lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) struct f2fs_rwsem cp_rwsem; /* blocking FS operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) struct f2fs_rwsem node_write; /* locking node writes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) struct f2fs_rwsem node_change; /* locking node change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) wait_queue_head_t cp_wait;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) unsigned long last_time[MAX_TIME]; /* to store time in jiffies */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) long interval_time[MAX_TIME]; /* to store thresholds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) struct ckpt_req_control cprc_info; /* for checkpoint request control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) spinlock_t fsync_node_lock; /* for node entry lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) struct list_head fsync_node_list; /* node list head */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) unsigned int fsync_seg_id; /* sequence id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) unsigned int fsync_node_num; /* number of node entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) /* for orphan inode, use 0'th array */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) unsigned int max_orphans; /* max orphan inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) /* for inode management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) struct mutex flush_lock; /* for flush exclusion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) /* for extent tree cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) struct radix_tree_root extent_tree_root;/* cache extent cache entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) struct mutex extent_tree_lock; /* locking extent radix tree */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) struct list_head extent_list; /* lru list for shrinker */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) spinlock_t extent_lock; /* locking extent lru list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) atomic_t total_ext_tree; /* extent tree count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) struct list_head zombie_list; /* extent zombie tree list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) atomic_t total_zombie_tree; /* extent zombie tree count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) atomic_t total_ext_node; /* extent info count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) /* basic filesystem units */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) unsigned int log_sectors_per_block; /* log2 sectors per block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) unsigned int log_blocksize; /* log2 block size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) unsigned int blocksize; /* block size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) unsigned int root_ino_num; /* root inode number*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) unsigned int node_ino_num; /* node inode number*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) unsigned int meta_ino_num; /* meta inode number*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) unsigned int log_blocks_per_seg; /* log2 blocks per segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) unsigned int blocks_per_seg; /* blocks per segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) unsigned int segs_per_sec; /* segments per section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) unsigned int secs_per_zone; /* sections per zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) unsigned int total_sections; /* total section count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) unsigned int total_node_count; /* total node block count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) unsigned int total_valid_node_count; /* valid node block count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) int dir_level; /* directory level */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) int readdir_ra; /* readahead inode in readdir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) u64 max_io_bytes; /* max io bytes to merge IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) block_t user_block_count; /* # of user blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) block_t total_valid_block_count; /* # of valid blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) block_t discard_blks; /* discard command candidats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) block_t last_valid_block_count; /* for recovery */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) block_t reserved_blocks; /* configurable reserved blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) block_t current_reserved_blocks; /* current reserved blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) /* Additional tracking for no checkpoint mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) block_t unusable_block_count; /* # of blocks saved by last cp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) unsigned int nquota_files; /* # of quota sysfile */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) struct f2fs_rwsem quota_sem; /* blocking cp for flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) /* # of pages, see count_type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) atomic_t nr_pages[NR_COUNT_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) /* # of allocated blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) struct percpu_counter alloc_valid_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) /* writeback control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) atomic_t wb_sync_req[META]; /* count # of WB_SYNC threads */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) /* valid inode count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) struct percpu_counter total_valid_inode_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) struct f2fs_mount_info mount_opt; /* mount options */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) /* for cleaning operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) struct f2fs_rwsem gc_lock; /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) * semaphore for GC, avoid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) * race between GC and GC or CP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) struct f2fs_gc_kthread *gc_thread; /* GC thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) struct atgc_management am; /* atgc management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) unsigned int cur_victim_sec; /* current victim section num */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) unsigned int gc_mode; /* current GC state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) unsigned int next_victim_seg[2]; /* next segment in victim section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) /* for skip statistic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) unsigned int atomic_files; /* # of opened atomic file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) unsigned long long skipped_atomic_files[2]; /* FG_GC and BG_GC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) unsigned long long skipped_gc_rwsem; /* FG_GC only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) /* threshold for gc trials on pinned files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) u64 gc_pin_file_threshold;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) struct f2fs_rwsem pin_sem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) /* maximum # of trials to find a victim segment for SSR and GC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) unsigned int max_victim_search;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) /* migration granularity of garbage collection, unit: segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) unsigned int migration_granularity;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) atomic_t no_cp_fsync_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) * for stat information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) * one is for the LFS mode, and the other is for the SSR mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) struct f2fs_stat_info *stat_info; /* FS status information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) atomic_t meta_count[META_MAX]; /* # of meta blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) unsigned int segment_count[2]; /* # of allocated segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) unsigned int block_count[2]; /* # of allocated blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) atomic_t inplace_count; /* # of inplace update */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) atomic64_t total_hit_ext; /* # of lookup extent cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) atomic64_t read_hit_largest; /* # of hit largest extent node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) atomic64_t read_hit_cached; /* # of hit cached extent node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) atomic_t inline_xattr; /* # of inline_xattr inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) atomic_t inline_inode; /* # of inline_data inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) atomic_t inline_dir; /* # of inline_dentry inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) atomic_t compr_inode; /* # of compressed inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) atomic64_t compr_blocks; /* # of compressed blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) atomic_t vw_cnt; /* # of volatile writes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) atomic_t max_aw_cnt; /* max # of atomic writes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) atomic_t max_vw_cnt; /* max # of volatile writes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) unsigned int io_skip_bggc; /* skip background gc for in-flight IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) unsigned int other_skip_bggc; /* skip background gc for other reasons */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) spinlock_t stat_lock; /* lock for stat operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) /* For app/fs IO statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) spinlock_t iostat_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) unsigned long long rw_iostat[NR_IO_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) unsigned long long prev_rw_iostat[NR_IO_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) bool iostat_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) unsigned long iostat_next_period;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) unsigned int iostat_period_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) /* to attach REQ_META|REQ_FUA flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) unsigned int data_io_flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) unsigned int node_io_flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) /* For sysfs suppport */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) struct kobject s_kobj; /* /sys/fs/f2fs/<devname> */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) struct completion s_kobj_unregister;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) struct kobject s_stat_kobj; /* /sys/fs/f2fs/<devname>/stat */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) struct completion s_stat_kobj_unregister;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) struct kobject s_feature_list_kobj; /* /sys/fs/f2fs/<devname>/feature_list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) struct completion s_feature_list_kobj_unregister;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) /* For shrinker support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) struct list_head s_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) int s_ndevs; /* number of devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) struct f2fs_dev_info *devs; /* for device list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) unsigned int dirty_device; /* for checkpoint data flush */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) spinlock_t dev_lock; /* protect dirty_device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) struct mutex umount_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) unsigned int shrinker_run_no;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) /* For write statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) u64 sectors_written_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) u64 kbytes_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) /* Reference to checksum algorithm driver via cryptoapi */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) struct crypto_shash *s_chksum_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) /* Precomputed FS UUID checksum for seeding other checksums */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) __u32 s_chksum_seed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) struct workqueue_struct *post_read_wq; /* post read workqueue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) struct kmem_cache *inline_xattr_slab; /* inline xattr entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) unsigned int inline_xattr_slab_size; /* default inline xattr slab size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) /* For reclaimed segs statistics per each GC mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) unsigned int gc_segment_mode; /* GC state for reclaimed segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) unsigned int gc_reclaimed_segs[MAX_GC_MODE]; /* Reclaimed segs for each mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) struct kmem_cache *page_array_slab; /* page array entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) unsigned int page_array_slab_size; /* default page array slab size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) /* For runtime compression statistics */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) u64 compr_written_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) u64 compr_saved_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) u32 compr_new_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) /* For compressed block cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) struct inode *compress_inode; /* cache compressed blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) unsigned int compress_percent; /* cache page percentage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) unsigned int compress_watermark; /* cache page watermark */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) atomic_t compress_page_hit; /* cache hit count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) struct f2fs_private_dio {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) void *orig_private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) bio_end_io_t *orig_end_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) bool write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) #define f2fs_show_injection_info(sbi, type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) KERN_INFO, sbi->sb->s_id, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) f2fs_fault_name[type], \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) __func__, __builtin_return_address(0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) if (!ffi->inject_rate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) if (!IS_FAULT_SET(ffi, type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) atomic_inc(&ffi->inject_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) atomic_set(&ffi->inject_ops, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) #define f2fs_show_injection_info(sbi, type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) * Test if the mounted volume is a multi-device volume.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) * - For a single regular disk volume, sbi->s_ndevs is 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) * - For a single zoned disk volume, sbi->s_ndevs is 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) * - For a multi-device volume, sbi->s_ndevs is always 2 or more.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) static inline bool f2fs_is_multi_device(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) return sbi->s_ndevs > 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) unsigned long now = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) sbi->last_time[type] = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) /* DISCARD_TIME and GC_TIME are based on REQ_TIME */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) if (type == REQ_TIME) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) sbi->last_time[DISCARD_TIME] = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) sbi->last_time[GC_TIME] = now;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) unsigned long interval = sbi->interval_time[type] * HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) return time_after(jiffies, sbi->last_time[type] + interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) static inline unsigned int f2fs_time_to_wait(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) unsigned long interval = sbi->interval_time[type] * HZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) unsigned int wait_ms = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) long delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) delta = (sbi->last_time[type] + interval) - jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) if (delta > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) wait_ms = jiffies_to_msecs(delta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) return wait_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) * Inline functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) const void *address, unsigned int length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) struct shash_desc shash;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) char ctx[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) } desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) desc.shash.tfm = sbi->s_chksum_driver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) *(u32 *)desc.ctx = crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) err = crypto_shash_update(&desc.shash, address, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) BUG_ON(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) return *(u32 *)desc.ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) unsigned int length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) void *buf, size_t buf_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) return f2fs_crc32(sbi, buf, buf_size) == blk_crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) const void *address, unsigned int length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) return __f2fs_crc32(sbi, crc, address, length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) static inline struct f2fs_inode_info *F2FS_I(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) return container_of(inode, struct f2fs_inode_info, vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) return sb->s_fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) return F2FS_SB(inode->i_sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) return F2FS_I_SB(mapping->host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) return F2FS_M_SB(page_file_mapping(page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) return (struct f2fs_super_block *)(sbi->raw_super);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) return (struct f2fs_checkpoint *)(sbi->ckpt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) static inline struct f2fs_node *F2FS_NODE(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) return (struct f2fs_node *)page_address(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) static inline struct f2fs_inode *F2FS_INODE(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) return &((struct f2fs_node *)page_address(page))->i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) return (struct f2fs_nm_info *)(sbi->nm_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) return (struct f2fs_sm_info *)(sbi->sm_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) return (struct sit_info *)(SM_I(sbi)->sit_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) return (struct free_segmap_info *)(SM_I(sbi)->free_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) return sbi->meta_inode->i_mapping;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) return sbi->node_inode->i_mapping;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) return test_bit(type, &sbi->s_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) set_bit(type, &sbi->s_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) clear_bit(type, &sbi->s_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) return le64_to_cpu(cp->checkpoint_ver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) if (type < F2FS_MAX_QUOTAS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) size_t crc_offset = le32_to_cpu(cp->checksum_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) return ckpt_flags & f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) return __is_set_ckpt_flags(F2FS_CKPT(sbi), f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) unsigned int ckpt_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) ckpt_flags = le32_to_cpu(cp->ckpt_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) ckpt_flags |= f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) cp->ckpt_flags = cpu_to_le32(ckpt_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) spin_lock_irqsave(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) __set_ckpt_flags(F2FS_CKPT(sbi), f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) spin_unlock_irqrestore(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) unsigned int ckpt_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) ckpt_flags = le32_to_cpu(cp->ckpt_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) ckpt_flags &= (~f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) cp->ckpt_flags = cpu_to_le32(ckpt_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) spin_lock_irqsave(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) __clear_ckpt_flags(F2FS_CKPT(sbi), f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) spin_unlock_irqrestore(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) unsigned char *nat_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) * In order to re-enable nat_bits we need to call fsck.f2fs by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) * set_sbi_flag(sbi, SBI_NEED_FSCK). But it may give huge cost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) * so let's rely on regular fsck or unclean shutdown.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) if (lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) spin_lock_irqsave(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) nat_bits = NM_I(sbi)->nat_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) NM_I(sbi)->nat_bits = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) if (lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) spin_unlock_irqrestore(&sbi->cp_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) kvfree(nat_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) struct cp_control *cpc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) #define init_f2fs_rwsem(sem) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) static struct lock_class_key __key; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) __init_f2fs_rwsem((sem), #sem, &__key); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) static inline void __init_f2fs_rwsem(struct f2fs_rwsem *sem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) const char *sem_name, struct lock_class_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) __init_rwsem(&sem->internal_rwsem, sem_name, key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) init_waitqueue_head(&sem->read_waiters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) static inline int f2fs_rwsem_is_locked(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) return rwsem_is_locked(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) static inline int f2fs_rwsem_is_contended(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) return rwsem_is_contended(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) static inline void f2fs_down_read(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) wait_event(sem->read_waiters, down_read_trylock(&sem->internal_rwsem));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) static inline int f2fs_down_read_trylock(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) return down_read_trylock(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) #ifdef CONFIG_DEBUG_LOCK_ALLOC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) static inline void f2fs_down_read_nested(struct f2fs_rwsem *sem, int subclass)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) down_read_nested(&sem->internal_rwsem, subclass);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) #define f2fs_down_read_nested(sem, subclass) f2fs_down_read(sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) static inline void f2fs_up_read(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) up_read(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) static inline void f2fs_down_write(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) down_write(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) static inline int f2fs_down_write_trylock(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) return down_write_trylock(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) static inline void f2fs_up_write(struct f2fs_rwsem *sem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) up_write(&sem->internal_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) wake_up_all(&sem->read_waiters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) static inline void f2fs_lock_op(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) f2fs_down_read(&sbi->cp_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) return f2fs_down_read_trylock(&sbi->cp_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) f2fs_up_read(&sbi->cp_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) static inline void f2fs_lock_all(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) f2fs_down_write(&sbi->cp_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) f2fs_up_write(&sbi->cp_rwsem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) static inline int __get_cp_reason(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) int reason = CP_SYNC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) if (test_opt(sbi, FASTBOOT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) reason = CP_FASTBOOT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) if (is_sbi_flag_set(sbi, SBI_IS_CLOSE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) reason = CP_UMOUNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) return reason;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) static inline bool __remain_node_summaries(int reason)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) return (reason & (CP_UMOUNT | CP_FASTBOOT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) * Check whether the inode has blocks or not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) static inline int F2FS_HAS_BLOCKS(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) static inline bool f2fs_has_xattr_block(unsigned int ofs)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) return ofs == XATTR_NODE_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) struct inode *inode, bool cap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) if (!inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) if (!test_opt(sbi, RESERVE_ROOT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) if (IS_NOQUOTA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid()))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) in_group_p(F2FS_OPTION(sbi).s_resgid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) if (cap && capable(CAP_SYS_RESOURCE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) struct inode *inode, blkcnt_t *count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) blkcnt_t diff = 0, release = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) block_t avail_user_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) ret = dquot_reserve_block(inode, *count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) if (time_to_inject(sbi, FAULT_BLOCK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) f2fs_show_injection_info(sbi, FAULT_BLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) release = *count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) goto release_quota;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) * let's increase this in prior to actual block count change in order
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) * for f2fs_sync_file to avoid data races when deciding checkpoint.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) percpu_counter_add(&sbi->alloc_valid_block_count, (*count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) spin_lock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) sbi->total_valid_block_count += (block_t)(*count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) avail_user_block_count = sbi->user_block_count -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) sbi->current_reserved_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) if (!__allow_reserved_blocks(sbi, inode, true))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) if (F2FS_IO_ALIGNED(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) avail_user_block_count -= sbi->blocks_per_seg *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) SM_I(sbi)->additional_reserved_segments;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) if (avail_user_block_count > sbi->unusable_block_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) avail_user_block_count -= sbi->unusable_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) avail_user_block_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) diff = sbi->total_valid_block_count - avail_user_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) if (diff > *count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) diff = *count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) *count -= diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) release = diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) sbi->total_valid_block_count -= diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) if (!*count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) goto enospc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) if (unlikely(release)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) percpu_counter_sub(&sbi->alloc_valid_block_count, release);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) dquot_release_reservation_block(inode, release);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) f2fs_i_blocks_write(inode, *count, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) enospc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) percpu_counter_sub(&sbi->alloc_valid_block_count, release);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) release_quota:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) dquot_release_reservation_block(inode, release);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) __printf(2, 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) #define f2fs_err(sbi, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) f2fs_printk(sbi, KERN_ERR fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) #define f2fs_warn(sbi, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) f2fs_printk(sbi, KERN_WARNING fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) #define f2fs_notice(sbi, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) f2fs_printk(sbi, KERN_NOTICE fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) #define f2fs_info(sbi, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) f2fs_printk(sbi, KERN_INFO fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) #define f2fs_debug(sbi, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) f2fs_printk(sbi, KERN_DEBUG fmt, ##__VA_ARGS__)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) static inline void dec_valid_block_count(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) block_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) spin_lock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) sbi->total_valid_block_count -= (block_t)count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) if (sbi->reserved_blocks &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) sbi->current_reserved_blocks < sbi->reserved_blocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) sbi->current_reserved_blocks = min(sbi->reserved_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) sbi->current_reserved_blocks + count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) if (unlikely(inode->i_blocks < sectors)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) f2fs_warn(sbi, "Inconsistent i_blocks, ino:%lu, iblocks:%llu, sectors:%llu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) inode->i_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) (unsigned long long)inode->i_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) (unsigned long long)sectors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) set_sbi_flag(sbi, SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) f2fs_i_blocks_write(inode, count, false, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) atomic_inc(&sbi->nr_pages[count_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) if (count_type == F2FS_DIRTY_DENTS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) count_type == F2FS_DIRTY_NODES ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) count_type == F2FS_DIRTY_META ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) count_type == F2FS_DIRTY_QDATA ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) count_type == F2FS_DIRTY_IMETA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) set_sbi_flag(sbi, SBI_IS_DIRTY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) static inline void inode_inc_dirty_pages(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) atomic_inc(&F2FS_I(inode)->dirty_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) if (IS_NOQUOTA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) atomic_dec(&sbi->nr_pages[count_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) static inline void inode_dec_dirty_pages(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) !S_ISLNK(inode->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) atomic_dec(&F2FS_I(inode)->dirty_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) if (IS_NOQUOTA(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) return atomic_read(&sbi->nr_pages[count_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) static inline int get_dirty_pages(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) return atomic_read(&F2FS_I(inode)->dirty_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) sbi->log_blocks_per_seg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) return segs / sbi->segs_per_sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) return sbi->total_valid_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) static inline block_t discard_blocks(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) return sbi->discard_blks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) /* return NAT or SIT bitmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) if (flag == NAT_BITMAP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) else if (flag == SIT_BITMAP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) void *tmp_ptr = &ckpt->sit_nat_version_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) offset = (flag == SIT_BITMAP) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) * if large_nat_bitmap feature is enabled, leave checksum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) * protection for all nat/sit bitmaps.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) return tmp_ptr + offset + sizeof(__le32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) if (__cp_payload(sbi) > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) if (flag == NAT_BITMAP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) return &ckpt->sit_nat_version_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) return (unsigned char *)ckpt + F2FS_BLKSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) offset = (flag == NAT_BITMAP) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) return tmp_ptr + offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) if (sbi->cur_cp_pack == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) start_addr += sbi->blocks_per_seg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) return start_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) if (sbi->cur_cp_pack == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) start_addr += sbi->blocks_per_seg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) return start_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) struct inode *inode, bool is_inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) block_t valid_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) unsigned int valid_node_count, user_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) if (is_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) if (inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) err = dquot_alloc_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) err = dquot_reserve_block(inode, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) if (time_to_inject(sbi, FAULT_BLOCK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) f2fs_show_injection_info(sbi, FAULT_BLOCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) goto enospc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) spin_lock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) valid_block_count = sbi->total_valid_block_count +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) sbi->current_reserved_blocks + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) if (!__allow_reserved_blocks(sbi, inode, false))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) if (F2FS_IO_ALIGNED(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) valid_block_count += sbi->blocks_per_seg *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) SM_I(sbi)->additional_reserved_segments;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) user_block_count = sbi->user_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) user_block_count -= sbi->unusable_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) if (unlikely(valid_block_count > user_block_count)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) goto enospc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) valid_node_count = sbi->total_valid_node_count + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) if (unlikely(valid_node_count > sbi->total_node_count)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) goto enospc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) sbi->total_valid_node_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) sbi->total_valid_block_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) if (inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) if (is_inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) f2fs_i_blocks_write(inode, 1, true, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) percpu_counter_inc(&sbi->alloc_valid_block_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) enospc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) if (is_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) if (inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) dquot_free_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) dquot_release_reservation_block(inode, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) struct inode *inode, bool is_inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) spin_lock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) f2fs_bug_on(sbi, !sbi->total_valid_block_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) f2fs_bug_on(sbi, !sbi->total_valid_node_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) sbi->total_valid_node_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) sbi->total_valid_block_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) if (sbi->reserved_blocks &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) sbi->current_reserved_blocks < sbi->reserved_blocks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) sbi->current_reserved_blocks++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) if (is_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) dquot_free_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) if (unlikely(inode->i_blocks == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) f2fs_warn(sbi, "dec_valid_node_count: inconsistent i_blocks, ino:%lu, iblocks:%llu",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) inode->i_ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) (unsigned long long)inode->i_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) set_sbi_flag(sbi, SBI_NEED_FSCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) f2fs_i_blocks_write(inode, 1, false, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) return sbi->total_valid_node_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) percpu_counter_inc(&sbi->total_valid_inode_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) percpu_counter_dec(&sbi->total_valid_inode_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) return percpu_counter_sum_positive(&sbi->total_valid_inode_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) pgoff_t index, bool for_write)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) struct page *page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) if (IS_ENABLED(CONFIG_F2FS_FAULT_INJECTION)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) if (!for_write)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) page = find_get_page_flags(mapping, index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) FGP_LOCK | FGP_ACCESSED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) page = find_lock_page(mapping, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) if (page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) return page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) f2fs_show_injection_info(F2FS_M_SB(mapping),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) FAULT_PAGE_ALLOC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) if (!for_write)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) return grab_cache_page(mapping, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) static inline struct page *f2fs_pagecache_get_page(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) struct address_space *mapping, pgoff_t index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) int fgp_flags, gfp_t gfp_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) return pagecache_get_page(mapping, index, fgp_flags, gfp_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) static inline void f2fs_copy_page(struct page *src, struct page *dst)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) char *src_kaddr = kmap(src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) char *dst_kaddr = kmap(dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) memcpy(dst_kaddr, src_kaddr, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) kunmap(dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) kunmap(src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) static inline void f2fs_put_page(struct page *page, int unlock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) if (!page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) if (unlock) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) unlock_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) put_page(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) static inline void f2fs_put_dnode(struct dnode_of_data *dn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) if (dn->node_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) f2fs_put_page(dn->node_page, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) if (dn->inode_page && dn->node_page != dn->inode_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) f2fs_put_page(dn->inode_page, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) dn->node_page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) dn->inode_page = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) size_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) gfp_t flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) void *entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) entry = kmem_cache_alloc(cachep, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) if (!entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) return entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) static inline bool is_inflight_io(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) if (get_pages(sbi, F2FS_RD_DATA) || get_pages(sbi, F2FS_RD_NODE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) get_pages(sbi, F2FS_RD_META) || get_pages(sbi, F2FS_WB_DATA) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) get_pages(sbi, F2FS_WB_CP_DATA) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) get_pages(sbi, F2FS_DIO_READ) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) get_pages(sbi, F2FS_DIO_WRITE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) if (type != DISCARD_TIME && SM_I(sbi) && SM_I(sbi)->dcc_info &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) atomic_read(&SM_I(sbi)->dcc_info->queued_discard))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) if (SM_I(sbi) && SM_I(sbi)->fcc_info &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) atomic_read(&SM_I(sbi)->fcc_info->queued_flush))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) static inline bool is_idle(struct f2fs_sb_info *sbi, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) if (sbi->gc_mode == GC_URGENT_HIGH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) if (is_inflight_io(sbi, type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) if (sbi->gc_mode == GC_URGENT_LOW &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) (type == DISCARD_TIME || type == GC_TIME))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) return f2fs_time_over(sbi, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) static inline void f2fs_radix_tree_insert(struct radix_tree_root *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) unsigned long index, void *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) while (radix_tree_insert(root, index, item))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) cond_resched();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) static inline bool IS_INODE(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) struct f2fs_node *p = F2FS_NODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) return RAW_IS_INODE(p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) static inline int offset_in_addr(struct f2fs_inode *i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) return (i->i_inline & F2FS_EXTRA_ATTR) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) static inline __le32 *blkaddr_in_node(struct f2fs_node *node)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) static inline int f2fs_has_extra_attr(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) static inline block_t data_blkaddr(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) struct page *node_page, unsigned int offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) struct f2fs_node *raw_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) __le32 *addr_array;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) int base = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) bool is_inode = IS_INODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) raw_node = F2FS_NODE(node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) if (is_inode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) if (!inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) /* from GC path only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) base = offset_in_addr(&raw_node->i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) else if (f2fs_has_extra_attr(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) base = get_extra_isize(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) addr_array = blkaddr_in_node(raw_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) return le32_to_cpu(addr_array[base + offset]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) static inline block_t f2fs_data_blkaddr(struct dnode_of_data *dn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) return data_blkaddr(dn->inode, dn->node_page, dn->ofs_in_node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) static inline int f2fs_test_bit(unsigned int nr, char *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) addr += (nr >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) mask = 1 << (7 - (nr & 0x07));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) return mask & *addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) static inline void f2fs_set_bit(unsigned int nr, char *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) addr += (nr >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) mask = 1 << (7 - (nr & 0x07));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) *addr |= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) static inline void f2fs_clear_bit(unsigned int nr, char *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) addr += (nr >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) mask = 1 << (7 - (nr & 0x07));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) *addr &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) addr += (nr >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) mask = 1 << (7 - (nr & 0x07));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) ret = mask & *addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) *addr |= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) addr += (nr >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) mask = 1 << (7 - (nr & 0x07));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) ret = mask & *addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) *addr &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) static inline void f2fs_change_bit(unsigned int nr, char *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) int mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) addr += (nr >> 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) mask = 1 << (7 - (nr & 0x07));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) *addr ^= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) * On-disk inode flags (f2fs_inode::i_flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) #define F2FS_COMPR_FL 0x00000004 /* Compress file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) #define F2FS_SYNC_FL 0x00000008 /* Synchronous updates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) #define F2FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) #define F2FS_APPEND_FL 0x00000020 /* writes to file may only append */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) #define F2FS_NODUMP_FL 0x00000040 /* do not dump file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) #define F2FS_NOATIME_FL 0x00000080 /* do not update atime */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) #define F2FS_NOCOMP_FL 0x00000400 /* Don't compress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) #define F2FS_INDEX_FL 0x00001000 /* hash-indexed directory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) #define F2FS_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) #define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) #define F2FS_CASEFOLD_FL 0x40000000 /* Casefolded file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) /* Flags that should be inherited by new inodes from their parent. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) #define F2FS_FL_INHERITED (F2FS_SYNC_FL | F2FS_NODUMP_FL | F2FS_NOATIME_FL | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) F2FS_CASEFOLD_FL | F2FS_COMPR_FL | F2FS_NOCOMP_FL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) /* Flags that are appropriate for regular files (all but dir-specific ones). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) #define F2FS_REG_FLMASK (~(F2FS_DIRSYNC_FL | F2FS_PROJINHERIT_FL | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) F2FS_CASEFOLD_FL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) /* Flags that are appropriate for non-directories/regular files. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) #define F2FS_OTHER_FLMASK (F2FS_NODUMP_FL | F2FS_NOATIME_FL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) if (S_ISDIR(mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) return flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) else if (S_ISREG(mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) return flags & F2FS_REG_FLMASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) return flags & F2FS_OTHER_FLMASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) static inline void __mark_inode_dirty_flag(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) int flag, bool set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) switch (flag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) case FI_INLINE_XATTR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) case FI_INLINE_DATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) case FI_INLINE_DENTRY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) case FI_NEW_INODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) if (set)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) case FI_DATA_EXIST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) case FI_INLINE_DOTS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) case FI_PIN_FILE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) case FI_COMPRESS_RELEASED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) static inline void set_inode_flag(struct inode *inode, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) set_bit(flag, F2FS_I(inode)->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) __mark_inode_dirty_flag(inode, flag, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) static inline int is_inode_flag_set(struct inode *inode, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) return test_bit(flag, F2FS_I(inode)->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) static inline void clear_inode_flag(struct inode *inode, int flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) clear_bit(flag, F2FS_I(inode)->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) __mark_inode_dirty_flag(inode, flag, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) static inline bool f2fs_verity_in_progress(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) return IS_ENABLED(CONFIG_FS_VERITY) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) is_inode_flag_set(inode, FI_VERITY_IN_PROGRESS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) static inline void set_acl_inode(struct inode *inode, umode_t mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) F2FS_I(inode)->i_acl_mode = mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) set_inode_flag(inode, FI_ACL_MODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) f2fs_mark_inode_dirty_sync(inode, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) static inline void f2fs_i_links_write(struct inode *inode, bool inc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) if (inc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) inc_nlink(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) drop_nlink(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) static inline void f2fs_i_blocks_write(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) block_t diff, bool add, bool claim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) /* add = 1, claim = 1 should be dquot_reserve_block in pair */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) if (add) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) if (claim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) dquot_claim_block(inode, diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) dquot_alloc_block_nofail(inode, diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) dquot_free_block(inode, diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) if (clean || recover)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) set_inode_flag(inode, FI_AUTO_RECOVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) if (i_size_read(inode) == i_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) i_size_write(inode, i_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) if (clean || recover)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) set_inode_flag(inode, FI_AUTO_RECOVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) F2FS_I(inode)->i_current_depth = depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) static inline void f2fs_i_gc_failures_write(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) unsigned int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) F2FS_I(inode)->i_xattr_nid = xnid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) F2FS_I(inode)->i_pino = pino;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) struct f2fs_inode_info *fi = F2FS_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) if (ri->i_inline & F2FS_INLINE_XATTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) set_bit(FI_INLINE_XATTR, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) if (ri->i_inline & F2FS_INLINE_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) set_bit(FI_INLINE_DATA, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) if (ri->i_inline & F2FS_INLINE_DENTRY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) set_bit(FI_INLINE_DENTRY, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) if (ri->i_inline & F2FS_DATA_EXIST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) set_bit(FI_DATA_EXIST, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) if (ri->i_inline & F2FS_INLINE_DOTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) set_bit(FI_INLINE_DOTS, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) if (ri->i_inline & F2FS_EXTRA_ATTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) set_bit(FI_EXTRA_ATTR, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) if (ri->i_inline & F2FS_PIN_FILE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) set_bit(FI_PIN_FILE, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) if (ri->i_inline & F2FS_COMPRESS_RELEASED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) set_bit(FI_COMPRESS_RELEASED, fi->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) ri->i_inline = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) if (is_inode_flag_set(inode, FI_INLINE_XATTR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) ri->i_inline |= F2FS_INLINE_XATTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) if (is_inode_flag_set(inode, FI_INLINE_DATA))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) ri->i_inline |= F2FS_INLINE_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) if (is_inode_flag_set(inode, FI_INLINE_DENTRY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) ri->i_inline |= F2FS_INLINE_DENTRY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) if (is_inode_flag_set(inode, FI_DATA_EXIST))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) ri->i_inline |= F2FS_DATA_EXIST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) if (is_inode_flag_set(inode, FI_INLINE_DOTS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) ri->i_inline |= F2FS_INLINE_DOTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) if (is_inode_flag_set(inode, FI_EXTRA_ATTR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) ri->i_inline |= F2FS_EXTRA_ATTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) if (is_inode_flag_set(inode, FI_PIN_FILE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) ri->i_inline |= F2FS_PIN_FILE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) ri->i_inline |= F2FS_COMPRESS_RELEASED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) static inline int f2fs_has_extra_attr(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) return is_inode_flag_set(inode, FI_EXTRA_ATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) static inline int f2fs_has_inline_xattr(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) return is_inode_flag_set(inode, FI_INLINE_XATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) static inline int f2fs_compressed_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) return S_ISREG(inode->i_mode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) is_inode_flag_set(inode, FI_COMPRESSED_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) static inline bool f2fs_need_compress_data(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) int compress_mode = F2FS_OPTION(F2FS_I_SB(inode)).compress_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) if (!f2fs_compressed_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067) if (compress_mode == COMPR_MODE_FS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) else if (compress_mode == COMPR_MODE_USER &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) is_inode_flag_set(inode, FI_ENABLE_COMPRESS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) static inline unsigned int addrs_per_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) unsigned int addrs = CUR_ADDRS_PER_INODE(inode) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) get_inline_xattr_addrs(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) if (!f2fs_compressed_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) return addrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) return ALIGN_DOWN(addrs, F2FS_I(inode)->i_cluster_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) static inline unsigned int addrs_per_block(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) if (!f2fs_compressed_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) return DEF_ADDRS_PER_BLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) return ALIGN_DOWN(DEF_ADDRS_PER_BLOCK, F2FS_I(inode)->i_cluster_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) static inline void *inline_xattr_addr(struct inode *inode, struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) struct f2fs_inode *ri = F2FS_INODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) get_inline_xattr_addrs(inode)]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) static inline int inline_xattr_size(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) if (f2fs_has_inline_xattr(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) return get_inline_xattr_addrs(inode) * sizeof(__le32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) static inline int f2fs_has_inline_data(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) return is_inode_flag_set(inode, FI_INLINE_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) static inline int f2fs_exist_data(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) return is_inode_flag_set(inode, FI_DATA_EXIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) static inline int f2fs_has_inline_dots(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) return is_inode_flag_set(inode, FI_INLINE_DOTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) static inline int f2fs_is_mmap_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125) return is_inode_flag_set(inode, FI_MMAP_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) static inline bool f2fs_is_pinned_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) return is_inode_flag_set(inode, FI_PIN_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) static inline bool f2fs_is_atomic_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) return is_inode_flag_set(inode, FI_ATOMIC_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) static inline bool f2fs_is_commit_atomic_write(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) return is_inode_flag_set(inode, FI_ATOMIC_COMMIT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) static inline bool f2fs_is_volatile_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) return is_inode_flag_set(inode, FI_VOLATILE_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) static inline bool f2fs_is_first_block_written(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) static inline bool f2fs_is_drop_cache(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) return is_inode_flag_set(inode, FI_DROP_CACHE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) static inline void *inline_data_addr(struct inode *inode, struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) struct f2fs_inode *ri = F2FS_INODE(page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) int extra_size = get_extra_isize(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) static inline int f2fs_has_inline_dentry(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) return is_inode_flag_set(inode, FI_INLINE_DENTRY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) static inline int is_file(struct inode *inode, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) return F2FS_I(inode)->i_advise & type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) static inline void set_file(struct inode *inode, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) F2FS_I(inode)->i_advise |= type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) static inline void clear_file(struct inode *inode, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) F2FS_I(inode)->i_advise &= ~type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) static inline bool f2fs_is_time_consistent(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) if (!timespec64_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) if (!timespec64_equal(F2FS_I(inode)->i_disk_time + 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) &F2FS_I(inode)->i_crtime))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) bool ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) if (dsync) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) spin_lock(&sbi->inode_lock[DIRTY_META]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) ret = list_empty(&F2FS_I(inode)->gdirty_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) spin_unlock(&sbi->inode_lock[DIRTY_META]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) file_keep_isize(inode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) i_size_read(inode) & ~PAGE_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) if (!f2fs_is_time_consistent(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) spin_lock(&F2FS_I(inode)->i_size_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) ret = F2FS_I(inode)->last_disk_size == i_size_read(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) spin_unlock(&F2FS_I(inode)->i_size_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) static inline bool f2fs_readonly(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) return sb_rdonly(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) return is_set_ckpt_flags(sbi, CP_ERROR_FLAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) static inline bool is_dot_dotdot(const u8 *name, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) if (len == 1 && name[0] == '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) if (len == 2 && name[0] == '.' && name[1] == '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) size_t size, gfp_t flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) if (time_to_inject(sbi, FAULT_KMALLOC)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) f2fs_show_injection_info(sbi, FAULT_KMALLOC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) return kmalloc(size, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) size_t size, gfp_t flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) size_t size, gfp_t flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) if (time_to_inject(sbi, FAULT_KVMALLOC)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) return kvmalloc(size, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) size_t size, gfp_t flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) static inline int get_extra_isize(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) return F2FS_I(inode)->i_extra_isize / sizeof(__le32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) static inline int get_inline_xattr_addrs(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) return F2FS_I(inode)->i_inline_xattr_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) #define f2fs_get_inode_mode(i) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) ((is_inode_flag_set(i, FI_ACL_MODE)) ? \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) (F2FS_I(i)->i_acl_mode) : ((i)->i_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) #define F2FS_TOTAL_EXTRA_ATTR_SIZE \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) (offsetof(struct f2fs_inode, i_extra_end) - \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) offsetof(struct f2fs_inode, i_extra_isize)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) ((offsetof(typeof(*(f2fs_inode)), field) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) sizeof((f2fs_inode)->field)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) <= (F2FS_OLD_ATTRIBUTE_SIZE + (extra_isize))) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) #define DEFAULT_IOSTAT_PERIOD_MS 3000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) #define MIN_IOSTAT_PERIOD_MS 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) /* maximum period of iostat tracing is 1 day */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) #define MAX_IOSTAT_PERIOD_MS 8640000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) spin_lock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318) for (i = 0; i < NR_IO_TYPE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319) sbi->rw_iostat[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320) sbi->prev_rw_iostat[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322) spin_unlock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325) extern void f2fs_record_iostat(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) enum iostat_type type, unsigned long long io_bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) if (!sbi->iostat_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) spin_lock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) sbi->rw_iostat[type] += io_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) if (type == APP_WRITE_IO || type == APP_DIRECT_IO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) sbi->rw_iostat[APP_BUFFERED_IO] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) sbi->rw_iostat[APP_WRITE_IO] -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) sbi->rw_iostat[APP_DIRECT_IO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) if (type == APP_READ_IO || type == APP_DIRECT_READ_IO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) sbi->rw_iostat[APP_BUFFERED_READ_IO] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) sbi->rw_iostat[APP_READ_IO] -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) sbi->rw_iostat[APP_DIRECT_READ_IO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344) spin_unlock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) f2fs_record_iostat(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) #define __is_large_section(sbi) ((sbi)->segs_per_sec > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351) #define __is_meta_io(fio) (PAGE_TYPE_OF_BIO((fio)->type) == META)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353) bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) block_t blkaddr, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) static inline void verify_blkaddr(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) block_t blkaddr, int type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) if (!f2fs_is_valid_blkaddr(sbi, blkaddr, type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) f2fs_err(sbi, "invalid blkaddr: %u, type: %d, run fsck to fix.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) blkaddr, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) f2fs_bug_on(sbi, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) static inline bool __is_valid_data_blkaddr(block_t blkaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) if (blkaddr == NEW_ADDR || blkaddr == NULL_ADDR ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) blkaddr == COMPRESS_ADDR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374) * file.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377) void f2fs_truncate_data_blocks(struct dnode_of_data *dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) int f2fs_do_truncate_blocks(struct inode *inode, u64 from, bool lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379) int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) int f2fs_truncate(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381) int f2fs_getattr(const struct path *path, struct kstat *stat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) u32 request_mask, unsigned int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383) int f2fs_setattr(struct dentry *dentry, struct iattr *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384) int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) int f2fs_precache_extents(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389) int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) int f2fs_pin_file_control(struct inode *inode, bool inc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393) * inode.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) void f2fs_set_inode_flags(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396) bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) struct inode *f2fs_iget(struct super_block *sb, unsigned long ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399) struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) int f2fs_try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401) void f2fs_update_inode(struct inode *inode, struct page *node_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) void f2fs_update_inode_page(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403) int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404) void f2fs_evict_inode(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405) void f2fs_handle_failed_inode(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) * namei.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) int f2fs_update_extension_list(struct f2fs_sb_info *sbi, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411) bool hot, bool set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) struct dentry *f2fs_get_parent(struct dentry *child);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) * dir.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417) unsigned char f2fs_get_de_type(struct f2fs_dir_entry *de);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418) int f2fs_init_casefolded_name(const struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419) struct f2fs_filename *fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420) int f2fs_setup_filename(struct inode *dir, const struct qstr *iname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421) int lookup, struct f2fs_filename *fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422) int f2fs_prepare_lookup(struct inode *dir, struct dentry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423) struct f2fs_filename *fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) void f2fs_free_filename(struct f2fs_filename *fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425) struct f2fs_dir_entry *f2fs_find_target_dentry(const struct f2fs_dentry_ptr *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) const struct f2fs_filename *fname, int *max_slots);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427) int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428) unsigned int start_pos, struct fscrypt_str *fstr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) void f2fs_do_make_empty_dir(struct inode *inode, struct inode *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430) struct f2fs_dentry_ptr *d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431) struct page *f2fs_init_inode_metadata(struct inode *inode, struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) const struct f2fs_filename *fname, struct page *dpage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) void f2fs_update_parent_metadata(struct inode *dir, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434) unsigned int current_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) int f2fs_room_for_filename(const void *bitmap, int slots, int max_slots);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436) void f2fs_drop_nlink(struct inode *dir, struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438) const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439) struct page **res_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440) struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441) const struct qstr *child, struct page **res_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442) struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443) ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444) struct page **page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446) struct page *page, struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) bool f2fs_has_enough_room(struct inode *dir, struct page *ipage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448) const struct f2fs_filename *fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) const struct fscrypt_str *name, f2fs_hash_t name_hash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) unsigned int bit_pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) int f2fs_add_regular_entry(struct inode *dir, const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453) struct inode *inode, nid_t ino, umode_t mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) int f2fs_add_dentry(struct inode *dir, const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) struct inode *inode, nid_t ino, umode_t mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) int f2fs_do_add_link(struct inode *dir, const struct qstr *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457) struct inode *inode, nid_t ino, umode_t mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459) struct inode *dir, struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) int f2fs_do_tmpfile(struct inode *inode, struct inode *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) bool f2fs_empty_dir(struct inode *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463) static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465) if (fscrypt_is_nokey_name(dentry))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466) return -ENOKEY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467) return f2fs_do_add_link(d_inode(dentry->d_parent), &dentry->d_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468) inode, inode->i_ino, inode->i_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472) * super.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474) int f2fs_inode_dirtied(struct inode *inode, bool sync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) void f2fs_inode_synced(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) int f2fs_quota_sync(struct super_block *sb, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478) loff_t max_file_blocks(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) void f2fs_quota_off_umount(struct super_block *sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480) int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) int f2fs_sync_fs(struct super_block *sb, int sync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482) int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485) * hash.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487) void f2fs_hash_filename(const struct inode *dir, struct f2fs_filename *fname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490) * node.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3492) struct node_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3494) int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3495) bool f2fs_available_free_memory(struct f2fs_sb_info *sbi, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496) bool f2fs_in_warm_node_list(struct f2fs_sb_info *sbi, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497) void f2fs_init_fsync_node_info(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498) void f2fs_del_fsync_node_entry(struct f2fs_sb_info *sbi, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499) void f2fs_reset_fsync_node_info(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500) int f2fs_need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501) bool f2fs_is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) bool f2fs_need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) int f2fs_get_node_info(struct f2fs_sb_info *sbi, nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) struct node_info *ni, bool checkpoint_context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) pgoff_t f2fs_get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) int f2fs_get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) int f2fs_truncate_inode_blocks(struct inode *inode, pgoff_t from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508) int f2fs_truncate_xattr_node(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509) int f2fs_wait_on_node_pages_writeback(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510) unsigned int seq_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511) int f2fs_remove_inode_page(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512) struct page *f2fs_new_inode_page(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513) struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514) void f2fs_ra_node_page(struct f2fs_sb_info *sbi, nid_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) struct page *f2fs_get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) struct page *f2fs_get_node_page_ra(struct page *parent, int start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) int f2fs_move_node_page(struct page *node_page, int gc_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) void f2fs_flush_inline_data(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519) int f2fs_fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520) struct writeback_control *wbc, bool atomic,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521) unsigned int *seq_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522) int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523) struct writeback_control *wbc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524) bool do_balance, enum iostat_type io_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525) int f2fs_build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526) bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527) void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530) int f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531) int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532) int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533) int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) unsigned int segno, struct f2fs_summary_block *sum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535) int f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536) int f2fs_build_node_manager(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537) void f2fs_destroy_node_manager(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538) int __init f2fs_create_node_manager_caches(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539) void f2fs_destroy_node_manager_caches(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) * segment.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544) bool f2fs_need_SSR(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) void f2fs_register_inmem_page(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546) void f2fs_drop_inmem_pages_all(struct f2fs_sb_info *sbi, bool gc_failure);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) void f2fs_drop_inmem_pages(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3548) void f2fs_drop_inmem_page(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3549) int f2fs_commit_inmem_pages(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3550) void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551) void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi, bool from_bg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552) int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553) int f2fs_create_flush_cmd_control(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554) int f2fs_flush_device_cache(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555) void f2fs_destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556) void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557) bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559) void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560) bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) struct cp_control *cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563) void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565) int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569) void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) void f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571) void f2fs_restore_inmem_curseg(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572) void f2fs_get_new_segment(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573) unsigned int *newseg, bool new_sec, int dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574) void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575) unsigned int start, unsigned int end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576) void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577) void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578) int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579) bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580) struct cp_control *cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581) struct page *f2fs_get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582) void f2fs_update_meta_page(struct f2fs_sb_info *sbi, void *src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583) block_t blk_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) void f2fs_do_write_meta_page(struct f2fs_sb_info *sbi, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) enum iostat_type io_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) void f2fs_do_write_node_page(unsigned int nid, struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) void f2fs_outplace_write_data(struct dnode_of_data *dn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588) struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589) int f2fs_inplace_write_data(struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590) void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591) block_t old_blkaddr, block_t new_blkaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592) bool recover_curseg, bool recover_newaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593) bool from_gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594) void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595) block_t old_addr, block_t new_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596) unsigned char version, bool recover_curseg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) bool recover_newaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598) void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) block_t old_blkaddr, block_t *new_blkaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) struct f2fs_summary *sum, int type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601) struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602) void f2fs_wait_on_page_writeback(struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603) enum page_type type, bool ordered, bool locked);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) void f2fs_wait_on_block_writeback(struct inode *inode, block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605) void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606) block_t len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607) void f2fs_write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608) void f2fs_write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609) int f2fs_lookup_journal_in_cursum(struct f2fs_journal *journal, int type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610) unsigned int val, int alloc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611) void f2fs_flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613) int f2fs_check_write_pointer(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614) int f2fs_build_segment_manager(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615) void f2fs_destroy_segment_manager(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) int __init f2fs_create_segment_manager_caches(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617) void f2fs_destroy_segment_manager_caches(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618) int f2fs_rw_hint_to_seg_type(enum rw_hint hint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619) enum rw_hint f2fs_io_type_to_rw_hint(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620) enum page_type type, enum temp_type temp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621) unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622) unsigned int segno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624) unsigned int segno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627) * checkpoint.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629) void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630) struct page *f2fs_grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631) struct page *f2fs_get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632) struct page *f2fs_get_meta_page_retry(struct f2fs_sb_info *sbi, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633) struct page *f2fs_get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634) bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635) block_t blkaddr, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636) int f2fs_ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) int type, bool sync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638) void f2fs_ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) long f2fs_sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640) long nr_to_write, enum iostat_type io_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) void f2fs_add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) void f2fs_remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643) void f2fs_release_ino_entry(struct f2fs_sb_info *sbi, bool all);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644) bool f2fs_exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645) void f2fs_set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646) unsigned int devidx, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647) bool f2fs_is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648) unsigned int devidx, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649) int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650) int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651) void f2fs_release_orphan_inode(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652) void f2fs_add_orphan_inode(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653) void f2fs_remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654) int f2fs_recover_orphan_inodes(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655) int f2fs_get_valid_checkpoint(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656) void f2fs_update_dirty_page(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) void f2fs_remove_dirty_inode(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) int f2fs_sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) void f2fs_wait_on_all_pages(struct f2fs_sb_info *sbi, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660) u64 f2fs_get_sectors_written(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) int f2fs_write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) void f2fs_init_ino_entry_info(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) int __init f2fs_create_checkpoint_caches(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664) void f2fs_destroy_checkpoint_caches(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665) int f2fs_issue_checkpoint(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666) int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667) void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668) void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671) * data.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673) int __init f2fs_init_bioset(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674) void f2fs_destroy_bioset(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675) int f2fs_init_bio_entry_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676) void f2fs_destroy_bio_entry_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) void f2fs_submit_bio(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678) struct bio *bio, enum page_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680) void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681) struct inode *inode, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682) nid_t ino, enum page_type type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683) void f2fs_submit_merged_ipu_write(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684) struct bio **bio, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685) void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686) int f2fs_submit_page_bio(struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687) int f2fs_merge_page_bio(struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688) void f2fs_submit_page_write(struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689) struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690) block_t blk_addr, struct bio *bio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691) int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) void f2fs_set_data_blkaddr(struct dnode_of_data *dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695) int f2fs_reserve_new_block(struct dnode_of_data *dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696) int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697) int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698) int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699) struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700) int op_flags, bool for_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702) struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703) bool for_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704) struct page *f2fs_get_new_data_page(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705) struct page *ipage, pgoff_t index, bool new_i_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706) int f2fs_do_write_data_page(struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707) void f2fs_do_map_lock(struct f2fs_sb_info *sbi, int flag, bool lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708) int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709) int create, int flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710) int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711) u64 start, u64 len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712) int f2fs_encrypt_one_page(struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713) bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714) bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) int f2fs_write_single_data_page(struct page *page, int *submitted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716) struct bio **bio, sector_t *last_block,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) struct writeback_control *wbc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718) enum iostat_type io_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719) int compr_blocks, bool allow_balance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) void f2fs_invalidate_page(struct page *page, unsigned int offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) unsigned int length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) int f2fs_release_page(struct page *page, gfp_t wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723) #ifdef CONFIG_MIGRATION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) int f2fs_migrate_page(struct address_space *mapping, struct page *newpage,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725) struct page *page, enum migrate_mode mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727) bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728) void f2fs_clear_page_cache_dirty_tag(struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) int f2fs_init_post_read_processing(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) void f2fs_destroy_post_read_processing(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731) int f2fs_init_post_read_wq(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) void f2fs_destroy_post_read_wq(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735) * gc.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737) int f2fs_start_gc_thread(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738) void f2fs_stop_gc_thread(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741) unsigned int segno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) int __init f2fs_create_garbage_collection_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745) void f2fs_destroy_garbage_collection_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748) * recovery.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750) int f2fs_recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) bool f2fs_space_for_roll_forward(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752) int __init f2fs_create_recovery_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) void f2fs_destroy_recovery_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756) * debug.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759) struct f2fs_stat_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760) struct list_head stat_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) struct f2fs_sb_info *sbi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762) int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) int main_area_segs, main_area_sections, main_area_zones;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) unsigned long long hit_largest, hit_cached, hit_rbtree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) unsigned long long hit_total, total_ext;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766) int ext_tree, zombie_tree, ext_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767) int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) int ndirty_data, ndirty_qdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769) int inmem_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771) int nats, dirty_nats, sits, dirty_sits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772) int free_nids, avail_nids, alloc_nids;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773) int total_count, utilization;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774) int bg_gc, nr_wb_cp_data, nr_wb_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775) int nr_rd_data, nr_rd_node, nr_rd_meta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776) int nr_dio_read, nr_dio_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777) unsigned int io_skip_bggc, other_skip_bggc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778) int nr_flushing, nr_flushed, flush_list_empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779) int nr_discarding, nr_discarded;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780) int nr_discard_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) unsigned int undiscard_blks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782) int nr_issued_ckpt, nr_total_ckpt, nr_queued_ckpt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) unsigned int cur_ckpt_time, peak_ckpt_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784) int inline_xattr, inline_inode, inline_dir, append, update, orphans;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) int compr_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786) unsigned long long compr_blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787) int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) unsigned int bimodal, avg_vblocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790) int util_free, util_valid, util_invalid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) int rsvd_segs, overp_segs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792) int dirty_count, node_pages, meta_pages, compress_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793) int compress_page_hit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794) int prefree_count, call_count, cp_count, bg_cp_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795) int tot_segs, node_segs, data_segs, free_segs, free_secs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796) int bg_node_segs, bg_data_segs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797) int tot_blks, data_blks, node_blks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798) int bg_data_blks, bg_node_blks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799) unsigned long long skipped_atomic_files[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800) int curseg[NR_CURSEG_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801) int cursec[NR_CURSEG_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802) int curzone[NR_CURSEG_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) unsigned int dirty_seg[NR_CURSEG_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804) unsigned int full_seg[NR_CURSEG_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) unsigned int valid_blks[NR_CURSEG_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) unsigned int meta_count[META_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808) unsigned int segment_count[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) unsigned int block_count[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) unsigned int inplace_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811) unsigned long long base_mem, cache_mem, page_mem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816) return (struct f2fs_stat_info *)sbi->stat_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819) #define stat_inc_cp_count(si) ((si)->cp_count++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820) #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821) #define stat_inc_call_count(si) ((si)->call_count++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822) #define stat_inc_bggc_count(si) ((si)->bg_gc++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823) #define stat_io_skip_bggc_count(sbi) ((sbi)->io_skip_bggc++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824) #define stat_other_skip_bggc_count(sbi) ((sbi)->other_skip_bggc++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825) #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826) #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827) #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828) #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831) #define stat_inc_inline_xattr(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) if (f2fs_has_inline_xattr(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834) (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836) #define stat_dec_inline_xattr(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838) if (f2fs_has_inline_xattr(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3840) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3841) #define stat_inc_inline_inode(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3842) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843) if (f2fs_has_inline_data(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844) (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846) #define stat_dec_inline_inode(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848) if (f2fs_has_inline_data(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849) (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) #define stat_inc_inline_dir(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853) if (f2fs_has_inline_dentry(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) #define stat_dec_inline_dir(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858) if (f2fs_has_inline_dentry(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) #define stat_inc_compr_inode(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863) if (f2fs_compressed_file(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864) (atomic_inc(&F2FS_I_SB(inode)->compr_inode)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866) #define stat_dec_compr_inode(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868) if (f2fs_compressed_file(inode)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869) (atomic_dec(&F2FS_I_SB(inode)->compr_inode)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871) #define stat_add_compr_blocks(inode, blocks) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872) (atomic64_add(blocks, &F2FS_I_SB(inode)->compr_blocks))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873) #define stat_sub_compr_blocks(inode, blocks) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874) (atomic64_sub(blocks, &F2FS_I_SB(inode)->compr_blocks))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875) #define stat_inc_meta_count(sbi, blkaddr) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) if (blkaddr < SIT_I(sbi)->sit_base_addr) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) atomic_inc(&(sbi)->meta_count[META_CP]); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879) else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880) atomic_inc(&(sbi)->meta_count[META_SIT]); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) atomic_inc(&(sbi)->meta_count[META_NAT]); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883) else if (blkaddr < SM_I(sbi)->main_blkaddr) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884) atomic_inc(&(sbi)->meta_count[META_SSA]); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886) #define stat_inc_seg_type(sbi, curseg) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887) ((sbi)->segment_count[(curseg)->alloc_type]++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) #define stat_inc_block_count(sbi, curseg) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) ((sbi)->block_count[(curseg)->alloc_type]++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890) #define stat_inc_inplace_blocks(sbi) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) (atomic_inc(&(sbi)->inplace_count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892) #define stat_update_max_atomic_write(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894) int cur = F2FS_I_SB(inode)->atomic_files; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895) int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896) if (cur > max) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897) atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899) #define stat_inc_volatile_write(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900) (atomic_inc(&F2FS_I_SB(inode)->vw_cnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) #define stat_dec_volatile_write(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902) (atomic_dec(&F2FS_I_SB(inode)->vw_cnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) #define stat_update_max_volatile_write(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907) if (cur > max) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908) atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) #define stat_inc_seg_count(sbi, type, gc_type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912) struct f2fs_stat_info *si = F2FS_STAT(sbi); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) si->tot_segs++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) if ((type) == SUM_TYPE_DATA) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915) si->data_segs++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916) si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917) } else { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918) si->node_segs++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919) si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923) #define stat_inc_tot_blk_count(si, blks) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924) ((si)->tot_blks += (blks))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926) #define stat_inc_data_blk_count(sbi, blks, gc_type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) struct f2fs_stat_info *si = F2FS_STAT(sbi); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929) stat_inc_tot_blk_count(si, blks); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) si->data_blks += (blks); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931) si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) #define stat_inc_node_blk_count(sbi, blks, gc_type) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) struct f2fs_stat_info *si = F2FS_STAT(sbi); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937) stat_inc_tot_blk_count(si, blks); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938) si->node_blks += (blks); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939) si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942) int f2fs_build_stats(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) void f2fs_destroy_stats(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944) void __init f2fs_create_root_stats(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945) void f2fs_destroy_root_stats(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946) void f2fs_update_sit_info(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948) #define stat_inc_cp_count(si) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949) #define stat_inc_bg_cp_count(si) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950) #define stat_inc_call_count(si) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951) #define stat_inc_bggc_count(si) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952) #define stat_io_skip_bggc_count(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) #define stat_other_skip_bggc_count(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954) #define stat_inc_dirty_inode(sbi, type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) #define stat_dec_dirty_inode(sbi, type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) #define stat_inc_total_hit(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957) #define stat_inc_rbtree_node_hit(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958) #define stat_inc_largest_node_hit(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959) #define stat_inc_cached_node_hit(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960) #define stat_inc_inline_xattr(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961) #define stat_dec_inline_xattr(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962) #define stat_inc_inline_inode(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963) #define stat_dec_inline_inode(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964) #define stat_inc_inline_dir(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) #define stat_dec_inline_dir(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966) #define stat_inc_compr_inode(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) #define stat_dec_compr_inode(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968) #define stat_add_compr_blocks(inode, blocks) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969) #define stat_sub_compr_blocks(inode, blocks) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) #define stat_update_max_atomic_write(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971) #define stat_inc_volatile_write(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972) #define stat_dec_volatile_write(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973) #define stat_update_max_volatile_write(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974) #define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) #define stat_inc_seg_type(sbi, curseg) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) #define stat_inc_block_count(sbi, curseg) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) #define stat_inc_inplace_blocks(sbi) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978) #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979) #define stat_inc_tot_blk_count(si, blks) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980) #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981) #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983) static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984) static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985) static inline void __init f2fs_create_root_stats(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) static inline void f2fs_destroy_root_stats(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987) static inline void f2fs_update_sit_info(struct f2fs_sb_info *sbi) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) extern const struct file_operations f2fs_dir_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991) extern const struct file_operations f2fs_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992) extern const struct inode_operations f2fs_file_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) extern const struct address_space_operations f2fs_dblock_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) extern const struct address_space_operations f2fs_node_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995) extern const struct address_space_operations f2fs_meta_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) extern const struct inode_operations f2fs_dir_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) extern const struct inode_operations f2fs_symlink_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998) extern const struct inode_operations f2fs_encrypted_symlink_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) extern const struct inode_operations f2fs_special_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) extern struct kmem_cache *f2fs_inode_entry_slab;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4002) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4003) * inline.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4004) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4005) bool f2fs_may_inline_data(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4006) bool f2fs_may_inline_dentry(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4007) void f2fs_do_read_inline_data(struct page *page, struct page *ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4008) void f2fs_truncate_inline_inode(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4009) struct page *ipage, u64 from);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4010) int f2fs_read_inline_data(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4011) int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4012) int f2fs_convert_inline_inode(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4013) int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4014) int f2fs_write_inline_data(struct inode *inode, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4015) int f2fs_recover_inline_data(struct inode *inode, struct page *npage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4016) struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4017) const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4018) struct page **res_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4019) int f2fs_make_empty_inline_dir(struct inode *inode, struct inode *parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4020) struct page *ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4021) int f2fs_add_inline_entry(struct inode *dir, const struct f2fs_filename *fname,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4022) struct inode *inode, nid_t ino, umode_t mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4023) void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4024) struct page *page, struct inode *dir,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4025) struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4026) bool f2fs_empty_inline_dir(struct inode *dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4027) int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4028) struct fscrypt_str *fstr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4029) int f2fs_inline_data_fiemap(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4030) struct fiemap_extent_info *fieinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4031) __u64 start, __u64 len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4033) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4034) * shrinker.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4035) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4036) unsigned long f2fs_shrink_count(struct shrinker *shrink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4037) struct shrink_control *sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4038) unsigned long f2fs_shrink_scan(struct shrinker *shrink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4039) struct shrink_control *sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4040) void f2fs_join_shrinker(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4041) void f2fs_leave_shrinker(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4043) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4044) * extent_cache.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4045) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4046) struct rb_entry *f2fs_lookup_rb_tree(struct rb_root_cached *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4047) struct rb_entry *cached_re, unsigned int ofs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4048) struct rb_node **f2fs_lookup_rb_tree_ext(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4049) struct rb_root_cached *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4050) struct rb_node **parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4051) unsigned long long key, bool *left_most);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4052) struct rb_node **f2fs_lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4053) struct rb_root_cached *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4054) struct rb_node **parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4055) unsigned int ofs, bool *leftmost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4056) struct rb_entry *f2fs_lookup_rb_tree_ret(struct rb_root_cached *root,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4057) struct rb_entry *cached_re, unsigned int ofs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4058) struct rb_entry **prev_entry, struct rb_entry **next_entry,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4059) struct rb_node ***insert_p, struct rb_node **insert_parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4060) bool force, bool *leftmost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4061) bool f2fs_check_rb_tree_consistence(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4062) struct rb_root_cached *root, bool check_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4063) unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4064) void f2fs_init_extent_tree(struct inode *inode, struct page *ipage);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4065) void f2fs_drop_extent_tree(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4066) unsigned int f2fs_destroy_extent_node(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4067) void f2fs_destroy_extent_tree(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4068) bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4069) struct extent_info *ei);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4070) void f2fs_update_extent_cache(struct dnode_of_data *dn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4071) void f2fs_update_extent_cache_range(struct dnode_of_data *dn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4072) pgoff_t fofs, block_t blkaddr, unsigned int len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4073) void f2fs_init_extent_cache_info(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4074) int __init f2fs_create_extent_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4075) void f2fs_destroy_extent_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4077) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4078) * sysfs.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4079) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4080) int __init f2fs_init_sysfs(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4081) void f2fs_exit_sysfs(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4082) int f2fs_register_sysfs(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4083) void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4085) /* verity.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4086) extern const struct fsverity_operations f2fs_verityops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4088) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4089) * crypto support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4090) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4091) static inline bool f2fs_encrypted_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4092) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4093) return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4094) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4095)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4096) static inline void f2fs_set_encrypted_inode(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4097) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4098) #ifdef CONFIG_FS_ENCRYPTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4099) file_set_encrypt(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4100) f2fs_set_inode_flags(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4101) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4104) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4105) * Returns true if the reads of the inode's data need to undergo some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4106) * postprocessing step, like decryption or authenticity verification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4107) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4108) static inline bool f2fs_post_read_required(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4110) return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4111) f2fs_compressed_file(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4114) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4115) * compress.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4116) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4117) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4118) bool f2fs_is_compressed_page(struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4119) struct page *f2fs_compress_control_page(struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4120) int f2fs_prepare_compress_overwrite(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4121) struct page **pagep, pgoff_t index, void **fsdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4122) bool f2fs_compress_write_end(struct inode *inode, void *fsdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4123) pgoff_t index, unsigned copied);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4124) int f2fs_truncate_partial_cluster(struct inode *inode, u64 from, bool lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4125) void f2fs_compress_write_end_io(struct bio *bio, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4126) bool f2fs_is_compress_backend_ready(struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4127) int f2fs_init_compress_mempool(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4128) void f2fs_destroy_compress_mempool(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4129) void f2fs_decompress_cluster(struct decompress_io_ctx *dic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4130) void f2fs_end_read_compressed_page(struct page *page, bool failed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4131) block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4132) bool f2fs_cluster_is_empty(struct compress_ctx *cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4133) bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4134) void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4135) int f2fs_write_multi_pages(struct compress_ctx *cc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4136) int *submitted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4137) struct writeback_control *wbc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4138) enum iostat_type io_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4139) int f2fs_is_compressed_cluster(struct inode *inode, pgoff_t index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4140) int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4141) unsigned nr_pages, sector_t *last_block_in_bio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4142) bool is_readahead, bool for_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4143) struct decompress_io_ctx *f2fs_alloc_dic(struct compress_ctx *cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4144) void f2fs_decompress_end_io(struct decompress_io_ctx *dic, bool failed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4145) void f2fs_put_page_dic(struct page *page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4146) int f2fs_init_compress_ctx(struct compress_ctx *cc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4147) void f2fs_destroy_compress_ctx(struct compress_ctx *cc, bool reuse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4148) void f2fs_init_compress_info(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4149) int f2fs_init_compress_inode(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4150) void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4151) int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4152) void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4153) int __init f2fs_init_compress_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4154) void f2fs_destroy_compress_cache(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4155) struct address_space *COMPRESS_MAPPING(struct f2fs_sb_info *sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4156) void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi, block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4157) void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4158) nid_t ino, block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4159) bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4160) block_t blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4161) void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4162) #define inc_compr_inode_stat(inode) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4163) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4164) struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4165) sbi->compr_new_inode++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4166) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4167) #define add_compr_block_stat(inode, blocks) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4168) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4169) struct f2fs_sb_info *sbi = F2FS_I_SB(inode); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4170) int diff = F2FS_I(inode)->i_cluster_size - blocks; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4171) sbi->compr_written_block += blocks; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4172) sbi->compr_saved_block += diff; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4173) } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4174) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4175) static inline bool f2fs_is_compressed_page(struct page *page) { return false; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4176) static inline bool f2fs_is_compress_backend_ready(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4178) if (!f2fs_compressed_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4179) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4180) /* not support compression */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4181) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4183) static inline struct page *f2fs_compress_control_page(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4185) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4186) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4188) static inline int f2fs_init_compress_mempool(void) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4189) static inline void f2fs_destroy_compress_mempool(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4190) static inline void f2fs_decompress_cluster(struct decompress_io_ctx *dic) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4191) static inline void f2fs_end_read_compressed_page(struct page *page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4192) bool failed, block_t blkaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4194) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4196) static inline void f2fs_put_page_dic(struct page *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4198) WARN_ON_ONCE(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4200) static inline int f2fs_init_compress_inode(struct f2fs_sb_info *sbi) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4201) static inline void f2fs_destroy_compress_inode(struct f2fs_sb_info *sbi) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4202) static inline int f2fs_init_page_array_cache(struct f2fs_sb_info *sbi) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4203) static inline void f2fs_destroy_page_array_cache(struct f2fs_sb_info *sbi) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4204) static inline int __init f2fs_init_compress_cache(void) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4205) static inline void f2fs_destroy_compress_cache(void) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4206) static inline void f2fs_invalidate_compress_page(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4207) block_t blkaddr) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4208) static inline void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4209) struct page *page, nid_t ino, block_t blkaddr) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4210) static inline bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4211) struct page *page, block_t blkaddr) { return false; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4212) static inline void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4213) nid_t ino) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4214) #define inc_compr_inode_stat(inode) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4215) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4217) static inline void set_compress_context(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4219) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4221) F2FS_I(inode)->i_compress_algorithm =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4222) F2FS_OPTION(sbi).compress_algorithm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4223) F2FS_I(inode)->i_log_cluster_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4224) F2FS_OPTION(sbi).compress_log_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4225) F2FS_I(inode)->i_compress_flag =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4226) F2FS_OPTION(sbi).compress_chksum ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4227) 1 << COMPRESS_CHKSUM : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4228) F2FS_I(inode)->i_cluster_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4229) 1 << F2FS_I(inode)->i_log_cluster_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4230) if (F2FS_I(inode)->i_compress_algorithm == COMPRESS_LZ4 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4231) F2FS_OPTION(sbi).compress_level)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4232) F2FS_I(inode)->i_compress_flag |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4233) F2FS_OPTION(sbi).compress_level <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4234) COMPRESS_LEVEL_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4235) F2FS_I(inode)->i_flags |= F2FS_COMPR_FL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4236) set_inode_flag(inode, FI_COMPRESSED_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4237) stat_inc_compr_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4238) inc_compr_inode_stat(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4239) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4242) static inline bool f2fs_disable_compressed_file(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4244) struct f2fs_inode_info *fi = F2FS_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4246) if (!f2fs_compressed_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4247) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4248) if (S_ISREG(inode->i_mode) && F2FS_HAS_BLOCKS(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4249) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4251) fi->i_flags &= ~F2FS_COMPR_FL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4252) stat_dec_compr_inode(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4253) clear_inode_flag(inode, FI_COMPRESSED_FILE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4254) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4255) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4258) #define F2FS_FEATURE_FUNCS(name, flagname) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4259) static inline int f2fs_sb_has_##name(struct f2fs_sb_info *sbi) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4260) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4261) return F2FS_HAS_FEATURE(sbi, F2FS_FEATURE_##flagname); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4264) F2FS_FEATURE_FUNCS(encrypt, ENCRYPT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4265) F2FS_FEATURE_FUNCS(blkzoned, BLKZONED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4266) F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4267) F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4268) F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4269) F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4270) F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4271) F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4272) F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4273) F2FS_FEATURE_FUNCS(verity, VERITY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4274) F2FS_FEATURE_FUNCS(sb_chksum, SB_CHKSUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4275) F2FS_FEATURE_FUNCS(casefold, CASEFOLD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4276) F2FS_FEATURE_FUNCS(compression, COMPRESSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4277) F2FS_FEATURE_FUNCS(readonly, RO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4279) static inline bool f2fs_may_extent_tree(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4281) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4283) if (!test_opt(sbi, EXTENT_CACHE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4284) is_inode_flag_set(inode, FI_NO_EXTENT) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4285) (is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4286) !f2fs_sb_has_readonly(sbi)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4287) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4289) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4290) * for recovered files during mount do not create extents
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4291) * if shrinker is not registered.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4292) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4293) if (list_empty(&sbi->s_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4294) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4296) return S_ISREG(inode->i_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4299) #ifdef CONFIG_BLK_DEV_ZONED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4300) static inline bool f2fs_blkz_is_seq(struct f2fs_sb_info *sbi, int devi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4301) block_t blkaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4303) unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4305) return test_bit(zno, FDEV(devi).blkz_seq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4307) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4309) static inline bool f2fs_hw_should_discard(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4311) return f2fs_sb_has_blkzoned(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4314) static inline bool f2fs_bdev_support_discard(struct block_device *bdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4316) return blk_queue_discard(bdev_get_queue(bdev)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4317) bdev_is_zoned(bdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4320) static inline bool f2fs_hw_support_discard(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4321) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4322) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4324) if (!f2fs_is_multi_device(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4325) return f2fs_bdev_support_discard(sbi->sb->s_bdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4327) for (i = 0; i < sbi->s_ndevs; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4328) if (f2fs_bdev_support_discard(FDEV(i).bdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4329) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4330) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4333) static inline bool f2fs_realtime_discard_enable(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4334) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4335) return (test_opt(sbi, DISCARD) && f2fs_hw_support_discard(sbi)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4336) f2fs_hw_should_discard(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4339) static inline bool f2fs_hw_is_readonly(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4341) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4343) if (!f2fs_is_multi_device(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4344) return bdev_read_only(sbi->sb->s_bdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4346) for (i = 0; i < sbi->s_ndevs; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4347) if (bdev_read_only(FDEV(i).bdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4348) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4349) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4352) static inline bool f2fs_lfs_mode(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4353) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4354) return F2FS_OPTION(sbi).fs_mode == FS_MODE_LFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4357) static inline bool f2fs_may_compress(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4359) if (IS_SWAPFILE(inode) || f2fs_is_pinned_file(inode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4360) f2fs_is_atomic_file(inode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4361) f2fs_is_volatile_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4362) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4363) return S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4366) static inline void f2fs_i_compr_blocks_update(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4367) u64 blocks, bool add)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4369) int diff = F2FS_I(inode)->i_cluster_size - blocks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4370) struct f2fs_inode_info *fi = F2FS_I(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4372) /* don't update i_compr_blocks if saved blocks were released */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4373) if (!add && !atomic_read(&fi->i_compr_blocks))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4374) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4376) if (add) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4377) atomic_add(diff, &fi->i_compr_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4378) stat_add_compr_blocks(inode, diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4379) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4380) atomic_sub(diff, &fi->i_compr_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4381) stat_sub_compr_blocks(inode, diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4383) f2fs_mark_inode_dirty_sync(inode, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4386) static inline int block_unaligned_IO(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4387) struct kiocb *iocb, struct iov_iter *iter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4389) unsigned int i_blkbits = READ_ONCE(inode->i_blkbits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4390) unsigned int blocksize_mask = (1 << i_blkbits) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4391) loff_t offset = iocb->ki_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4392) unsigned long align = offset | iov_iter_alignment(iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4394) return align & blocksize_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4397) static inline int allow_outplace_dio(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4398) struct kiocb *iocb, struct iov_iter *iter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4400) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4401) int rw = iov_iter_rw(iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4403) return (f2fs_lfs_mode(sbi) && (rw == WRITE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4404) !block_unaligned_IO(inode, iocb, iter));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4405) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4407) static inline bool f2fs_force_buffered_io(struct inode *inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4408) struct kiocb *iocb, struct iov_iter *iter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4410) struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4411) int rw = iov_iter_rw(iter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4413) if (!fscrypt_dio_supported(iocb, iter))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4414) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4415) if (fsverity_active(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4416) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4417) if (f2fs_compressed_file(inode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4418) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4419) if (f2fs_is_multi_device(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4420) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4421) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4422) * for blkzoned device, fallback direct IO to buffered IO, so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4423) * all IOs can be serialized by log-structured write.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4424) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4425) if (f2fs_sb_has_blkzoned(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4426) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4427) if (f2fs_lfs_mode(sbi) && (rw == WRITE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4428) if (block_unaligned_IO(inode, iocb, iter))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4429) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4430) if (F2FS_IO_ALIGNED(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4431) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4433) if (is_sbi_flag_set(F2FS_I_SB(inode), SBI_CP_DISABLED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4434) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4436) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4439) static inline bool f2fs_need_verity(const struct inode *inode, pgoff_t idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4441) return fsverity_active(inode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4442) idx < DIV_ROUND_UP(inode->i_size, PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4445) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4446) extern void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4447) unsigned int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4448) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4449) #define f2fs_build_fault_attr(sbi, rate, type) do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4450) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4451)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4452) static inline bool is_journalled_quota(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4453) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4454) #ifdef CONFIG_QUOTA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4455) if (f2fs_sb_has_quota_ino(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4456) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4457) if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4458) F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4459) F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4460) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4461) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4462) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4465) #define EFSBADCRC EBADMSG /* Bad CRC detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4466) #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4468) #endif /* _LINUX_F2FS_H */