^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) * f2fs sysfs interface
^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) * Copyright (c) 2017 Chao Yu <chao@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/compiler.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/f2fs_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/unicode.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/ioprio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "f2fs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "segment.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "gc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <trace/events/f2fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static struct proc_dir_entry *f2fs_proc_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* Sysfs support for f2fs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) GC_THREAD, /* struct f2fs_gc_thread */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) SM_INFO, /* struct f2fs_sm_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) DCC_INFO, /* struct discard_cmd_control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) NM_INFO, /* struct f2fs_nm_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) F2FS_SBI, /* struct f2fs_sb_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) STAT_INFO, /* struct f2fs_stat_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) FAULT_INFO_RATE, /* struct f2fs_fault_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) FAULT_INFO_TYPE, /* struct f2fs_fault_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) RESERVED_BLOCKS, /* struct f2fs_sb_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) CPRC_INFO, /* struct ckpt_req_control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ATGC_INFO, /* struct atgc_management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct f2fs_attr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct attribute attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) ssize_t (*show)(struct f2fs_attr *, struct f2fs_sb_info *, char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) ssize_t (*store)(struct f2fs_attr *, struct f2fs_sb_info *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) const char *, size_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) int struct_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct f2fs_sb_info *sbi, char *buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (struct_type == GC_THREAD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return (unsigned char *)sbi->gc_thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) else if (struct_type == SM_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) return (unsigned char *)SM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) else if (struct_type == DCC_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return (unsigned char *)SM_I(sbi)->dcc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) else if (struct_type == NM_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return (unsigned char *)NM_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) else if (struct_type == F2FS_SBI || struct_type == RESERVED_BLOCKS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return (unsigned char *)sbi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) else if (struct_type == FAULT_INFO_RATE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct_type == FAULT_INFO_TYPE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) return (unsigned char *)&F2FS_OPTION(sbi).fault_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) else if (struct_type == STAT_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return (unsigned char *)F2FS_STAT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) else if (struct_type == CPRC_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return (unsigned char *)&sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) else if (struct_type == ATGC_INFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return (unsigned char *)&sbi->am;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static ssize_t dirty_segments_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) return sprintf(buf, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) (unsigned long long)(dirty_segments(sbi)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static ssize_t free_segments_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return sprintf(buf, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) (unsigned long long)(free_segments(sbi)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static ssize_t ovp_segments_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return sprintf(buf, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) (unsigned long long)(overprovision_segments(sbi)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return sprintf(buf, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) (unsigned long long)(sbi->kbytes_written +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) ((f2fs_get_sectors_written(sbi) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) sbi->sectors_written_start) >> 1)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static ssize_t sb_status_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return sprintf(buf, "%lx\n", sbi->s_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) static ssize_t pending_discard_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (!SM_I(sbi)->dcc_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) return sprintf(buf, "%llu\n", (unsigned long long)atomic_read(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) &SM_I(sbi)->dcc_info->discard_cmd_cnt));
^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) static ssize_t features_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (f2fs_sb_has_encrypt(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) len += scnprintf(buf, PAGE_SIZE - len, "%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) "encryption");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) if (f2fs_sb_has_blkzoned(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) len ? ", " : "", "blkzoned");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (f2fs_sb_has_extra_attr(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) len ? ", " : "", "extra_attr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (f2fs_sb_has_project_quota(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) len ? ", " : "", "projquota");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (f2fs_sb_has_inode_chksum(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) len ? ", " : "", "inode_checksum");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (f2fs_sb_has_flexible_inline_xattr(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) len ? ", " : "", "flexible_inline_xattr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (f2fs_sb_has_quota_ino(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) len ? ", " : "", "quota_ino");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (f2fs_sb_has_inode_crtime(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) len ? ", " : "", "inode_crtime");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (f2fs_sb_has_lost_found(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) len ? ", " : "", "lost_found");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) if (f2fs_sb_has_verity(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) len ? ", " : "", "verity");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if (f2fs_sb_has_sb_chksum(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) len ? ", " : "", "sb_checksum");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (f2fs_sb_has_casefold(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) len ? ", " : "", "casefold");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if (f2fs_sb_has_readonly(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) len ? ", " : "", "readonly");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (f2fs_sb_has_compression(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) len ? ", " : "", "compression");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) len ? ", " : "", "pin_file");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) static ssize_t current_reserved_blocks_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return sprintf(buf, "%u\n", sbi->current_reserved_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static ssize_t unusable_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) block_t unusable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (test_opt(sbi, DISABLE_CHECKPOINT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) unusable = sbi->unusable_block_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) unusable = f2fs_get_unusable_blocks(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return sprintf(buf, "%llu\n", (unsigned long long)unusable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static ssize_t encoding_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct super_block *sb = sbi->sb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) if (f2fs_sb_has_casefold(sbi))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) return snprintf(buf, PAGE_SIZE, "%s (%d.%d.%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) sb->s_encoding->charset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) (sb->s_encoding->version >> 16) & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) (sb->s_encoding->version >> 8) & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) sb->s_encoding->version & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return sprintf(buf, "(none)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static ssize_t mounted_time_sec_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) return sprintf(buf, "%llu", SIT_I(sbi)->mounted_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static ssize_t moved_blocks_foreground_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) struct f2fs_stat_info *si = F2FS_STAT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) return sprintf(buf, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) (unsigned long long)(si->tot_blks -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) (si->bg_data_blks + si->bg_node_blks)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static ssize_t moved_blocks_background_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct f2fs_stat_info *si = F2FS_STAT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return sprintf(buf, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) (unsigned long long)(si->bg_data_blks + si->bg_node_blks));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static ssize_t avg_vblocks_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct f2fs_stat_info *si = F2FS_STAT(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) si->dirty_count = dirty_segments(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) f2fs_update_sit_info(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return sprintf(buf, "%llu\n", (unsigned long long)(si->avg_vblocks));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static ssize_t main_blkaddr_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) return snprintf(buf, PAGE_SIZE, "%llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) (unsigned long long)MAIN_BLKADDR(sbi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) unsigned char *ptr = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) unsigned int *ui;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) ptr = __struct_ptr(sbi, a->struct_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (!ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (!strcmp(a->attr.name, "extension_list")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) __u8 (*extlist)[F2FS_EXTENSION_LEN] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) sbi->raw_super->extension_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) int cold_count = le32_to_cpu(sbi->raw_super->extension_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) int hot_count = sbi->raw_super->hot_ext_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) int len = 0, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) len += scnprintf(buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) "cold file extension:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) for (i = 0; i < cold_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) len += scnprintf(buf + len, PAGE_SIZE - len, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) extlist[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) len += scnprintf(buf + len, PAGE_SIZE - len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) "hot file extension:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) for (i = cold_count; i < cold_count + hot_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) len += scnprintf(buf + len, PAGE_SIZE - len, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) extlist[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) int len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) int class = IOPRIO_PRIO_CLASS(cprc->ckpt_thread_ioprio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) int data = IOPRIO_PRIO_DATA(cprc->ckpt_thread_ioprio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (class == IOPRIO_CLASS_RT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) len += scnprintf(buf + len, PAGE_SIZE - len, "rt,");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) else if (class == IOPRIO_CLASS_BE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) len += scnprintf(buf + len, PAGE_SIZE - len, "be,");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) len += scnprintf(buf + len, PAGE_SIZE - len, "%d\n", data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) if (!strcmp(a->attr.name, "compr_written_block"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) return sysfs_emit(buf, "%llu\n", sbi->compr_written_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) if (!strcmp(a->attr.name, "compr_saved_block"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) return sysfs_emit(buf, "%llu\n", sbi->compr_saved_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) if (!strcmp(a->attr.name, "compr_new_inode"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) return sysfs_emit(buf, "%u\n", sbi->compr_new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) if (!strcmp(a->attr.name, "gc_segment_mode"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return sysfs_emit(buf, "%u\n", sbi->gc_segment_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return sysfs_emit(buf, "%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) sbi->gc_reclaimed_segs[sbi->gc_segment_mode]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ui = (unsigned int *)(ptr + a->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return sprintf(buf, "%u\n", *ui);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) static ssize_t __sbi_store(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) unsigned char *ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) unsigned long t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) unsigned int *ui;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) ptr = __struct_ptr(sbi, a->struct_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (!ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) if (!strcmp(a->attr.name, "extension_list")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) const char *name = strim((char *)buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) bool set = true, hot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) if (!strncmp(name, "[h]", 3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) hot = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) else if (!strncmp(name, "[c]", 3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) hot = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) name += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (*name == '!') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) name++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) set = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) if (strlen(name) >= F2FS_EXTENSION_LEN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) f2fs_down_write(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) ret = f2fs_update_extension_list(sbi, name, hot, set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) ret = f2fs_commit_super(sbi, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) f2fs_update_extension_list(sbi, name, hot, !set);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) f2fs_up_write(&sbi->sb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) return ret ? ret : count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) const char *name = strim((char *)buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct ckpt_req_control *cprc = &sbi->cprc_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) int class;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) long data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (!strncmp(name, "rt,", 3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) class = IOPRIO_CLASS_RT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) else if (!strncmp(name, "be,", 3))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) class = IOPRIO_CLASS_BE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) name += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) ret = kstrtol(name, 10, &data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) if (data >= IOPRIO_BE_NR || data < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) cprc->ckpt_thread_ioprio = IOPRIO_PRIO_VALUE(class, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (test_opt(sbi, MERGE_CHECKPOINT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) ret = set_task_ioprio(cprc->f2fs_issue_ckpt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) cprc->ckpt_thread_ioprio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) ui = (unsigned int *)(ptr + a->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ret = kstrtoul(skip_spaces(buf), 0, &t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) if (a->struct_type == FAULT_INFO_TYPE && t >= (1 << FAULT_MAX))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (a->struct_type == FAULT_INFO_RATE && t >= UINT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (a->struct_type == RESERVED_BLOCKS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) spin_lock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (t > (unsigned long)(sbi->user_block_count -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) F2FS_OPTION(sbi).root_reserved_blocks -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) sbi->blocks_per_seg *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) SM_I(sbi)->additional_reserved_segments)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) *ui = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) sbi->current_reserved_blocks = min(sbi->reserved_blocks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) sbi->user_block_count - valid_user_blocks(sbi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) spin_unlock(&sbi->stat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (!strcmp(a->attr.name, "discard_granularity")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (t == 0 || t > MAX_PLIST_NUM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) if (t == *ui)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) *ui = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (!strcmp(a->attr.name, "migration_granularity")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) if (t == 0 || t > sbi->segs_per_sec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (!strcmp(a->attr.name, "trim_sections"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) if (!strcmp(a->attr.name, "gc_urgent")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if (t == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) sbi->gc_mode = GC_NORMAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) } else if (t == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) sbi->gc_mode = GC_URGENT_HIGH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) if (sbi->gc_thread) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) sbi->gc_thread->gc_wake = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) wake_up_interruptible_all(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) &sbi->gc_thread->gc_wait_queue_head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) wake_up_discard_thread(sbi, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) } else if (t == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) sbi->gc_mode = GC_URGENT_LOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (!strcmp(a->attr.name, "gc_idle")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) if (t == GC_IDLE_CB) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) sbi->gc_mode = GC_IDLE_CB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) } else if (t == GC_IDLE_GREEDY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) sbi->gc_mode = GC_IDLE_GREEDY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) } else if (t == GC_IDLE_AT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) if (!sbi->am.atgc_enabled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) sbi->gc_mode = GC_IDLE_AT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) sbi->gc_mode = GC_NORMAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (!strcmp(a->attr.name, "iostat_enable")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) sbi->iostat_enable = !!t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) if (!sbi->iostat_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) f2fs_reset_iostat(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) if (!strcmp(a->attr.name, "iostat_period_ms")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (t < MIN_IOSTAT_PERIOD_MS || t > MAX_IOSTAT_PERIOD_MS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) spin_lock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) sbi->iostat_period_ms = (unsigned int)t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) spin_unlock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return count;
^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) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (!strcmp(a->attr.name, "compr_written_block") ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) !strcmp(a->attr.name, "compr_saved_block")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) if (t != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) sbi->compr_written_block = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) sbi->compr_saved_block = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (!strcmp(a->attr.name, "compr_new_inode")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) if (t != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) sbi->compr_new_inode = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) if (!strcmp(a->attr.name, "atgc_candidate_ratio")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) if (t > 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) sbi->am.candidate_ratio = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (!strcmp(a->attr.name, "atgc_age_weight")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) if (t > 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) sbi->am.age_weight = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (!strcmp(a->attr.name, "gc_segment_mode")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) if (t < MAX_GC_MODE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) sbi->gc_segment_mode = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) if (t != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) sbi->gc_reclaimed_segs[sbi->gc_segment_mode] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) *ui = (unsigned int)t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) return count;
^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) static ssize_t f2fs_sbi_store(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) struct f2fs_sb_info *sbi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) bool gc_entry = (!strcmp(a->attr.name, "gc_urgent") ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) a->struct_type == GC_THREAD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) if (gc_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if (!down_read_trylock(&sbi->sb->s_umount))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) ret = __sbi_store(a, sbi, buf, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) if (gc_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) up_read(&sbi->sb->s_umount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) static ssize_t f2fs_attr_show(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) struct attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) s_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) return a->show ? a->show(a, sbi, buf) : 0;
^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) static ssize_t f2fs_attr_store(struct kobject *kobj, struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) const char *buf, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) s_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) return a->store ? a->store(a, sbi, buf, len) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) static void f2fs_sb_release(struct kobject *kobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) s_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) complete(&sbi->s_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) * Note that there are three feature list entries:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) * 1) /sys/fs/f2fs/features
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) * : shows runtime features supported by in-kernel f2fs along with Kconfig.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) * - ref. F2FS_FEATURE_RO_ATTR()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) * 2) /sys/fs/f2fs/$s_id/features <deprecated>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) * : shows on-disk features enabled by mkfs.f2fs, used for old kernels. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) * won't add new feature anymore, and thus, users should check entries in 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) * instead of this 2).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) * 3) /sys/fs/f2fs/$s_id/feature_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) * : shows on-disk features enabled by mkfs.f2fs per instance, which follows
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) * sysfs entry rule where each entry should expose single value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) * This list covers old feature list provided by 2) and beyond. Therefore,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) * please add new on-disk feature in this list only.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) * - ref. F2FS_SB_FEATURE_RO_ATTR()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) static ssize_t f2fs_feature_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) return sprintf(buf, "supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) #define F2FS_FEATURE_RO_ATTR(_name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) static struct f2fs_attr f2fs_attr_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) .attr = {.name = __stringify(_name), .mode = 0444 }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) .show = f2fs_feature_show, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) static ssize_t f2fs_sb_feature_show(struct f2fs_attr *a,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) struct f2fs_sb_info *sbi, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) if (F2FS_HAS_FEATURE(sbi, a->id))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) return sprintf(buf, "supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) return sprintf(buf, "unsupported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) #define F2FS_SB_FEATURE_RO_ATTR(_name, _feat) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) static struct f2fs_attr f2fs_attr_sb_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) .attr = {.name = __stringify(_name), .mode = 0444 }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) .show = f2fs_sb_feature_show, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) .id = F2FS_FEATURE_##_feat, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) #define F2FS_ATTR_OFFSET(_struct_type, _name, _mode, _show, _store, _offset) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) static struct f2fs_attr f2fs_attr_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) .attr = {.name = __stringify(_name), .mode = _mode }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) .show = _show, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) .store = _store, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) .struct_type = _struct_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) .offset = _offset \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) #define F2FS_RW_ATTR(struct_type, struct_name, name, elname) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) F2FS_ATTR_OFFSET(struct_type, name, 0644, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) f2fs_sbi_show, f2fs_sbi_store, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) offsetof(struct struct_name, elname))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) #define F2FS_GENERAL_RO_ATTR(name) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static struct f2fs_attr f2fs_attr_##name = __ATTR(name, 0444, name##_show, NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) #define F2FS_STAT_ATTR(_struct_type, _struct_name, _name, _elname) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) static struct f2fs_attr f2fs_attr_##_name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) .attr = {.name = __stringify(_name), .mode = 0444 }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) .show = f2fs_sbi_show, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) .struct_type = _struct_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) .offset = offsetof(struct _struct_name, _elname), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_urgent_sleep_time,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) urgent_sleep_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_min_sleep_time, min_sleep_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_max_sleep_time, max_sleep_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle, gc_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_urgent, gc_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, discard_granularity, discard_granularity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) F2FS_RW_ATTR(RESERVED_BLOCKS, f2fs_sb_info, reserved_blocks, reserved_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_seq_blocks, min_seq_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_hot_blocks, min_hot_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ssr_sections, min_ssr_sections);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, migration_granularity, migration_granularity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, cp_interval, interval_time[CP_TIME]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, idle_interval, interval_time[REQ_TIME]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, discard_idle_interval,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) interval_time[DISCARD_TIME]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle_interval, interval_time[GC_TIME]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) umount_discard_timeout, interval_time[UMOUNT_DISCARD_TIMEOUT]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_period_ms, iostat_period_ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_io_bytes, max_io_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) F2FS_RW_ATTR(F2FS_SBI, f2fs_super_block, extension_list, extension_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) F2FS_RW_ATTR(FAULT_INFO_RATE, f2fs_fault_info, inject_rate, inject_rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) F2FS_RW_ATTR(FAULT_INFO_TYPE, f2fs_fault_info, inject_type, inject_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, data_io_flag, data_io_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, node_io_flag, node_io_flag);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) F2FS_RW_ATTR(CPRC_INFO, ckpt_req_control, ckpt_thread_ioprio, ckpt_thread_ioprio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) F2FS_GENERAL_RO_ATTR(dirty_segments);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) F2FS_GENERAL_RO_ATTR(free_segments);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) F2FS_GENERAL_RO_ATTR(ovp_segments);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) F2FS_GENERAL_RO_ATTR(features);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) F2FS_GENERAL_RO_ATTR(current_reserved_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) F2FS_GENERAL_RO_ATTR(unusable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) F2FS_GENERAL_RO_ATTR(encoding);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) F2FS_GENERAL_RO_ATTR(mounted_time_sec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) F2FS_GENERAL_RO_ATTR(main_blkaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) F2FS_GENERAL_RO_ATTR(pending_discard);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_foreground_calls, cp_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_background_calls, bg_cp_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, gc_foreground_calls, call_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, gc_background_calls, bg_gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) F2FS_GENERAL_RO_ATTR(moved_blocks_background);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) F2FS_GENERAL_RO_ATTR(moved_blocks_foreground);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) F2FS_GENERAL_RO_ATTR(avg_vblocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) #ifdef CONFIG_FS_ENCRYPTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) F2FS_FEATURE_RO_ATTR(encryption);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) F2FS_FEATURE_RO_ATTR(encrypted_casefold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) #endif /* CONFIG_FS_ENCRYPTION */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) #ifdef CONFIG_BLK_DEV_ZONED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) F2FS_FEATURE_RO_ATTR(block_zoned);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) F2FS_FEATURE_RO_ATTR(atomic_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) F2FS_FEATURE_RO_ATTR(extra_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) F2FS_FEATURE_RO_ATTR(project_quota);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) F2FS_FEATURE_RO_ATTR(inode_checksum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) F2FS_FEATURE_RO_ATTR(flexible_inline_xattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) F2FS_FEATURE_RO_ATTR(quota_ino);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) F2FS_FEATURE_RO_ATTR(inode_crtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) F2FS_FEATURE_RO_ATTR(lost_found);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) #ifdef CONFIG_FS_VERITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) F2FS_FEATURE_RO_ATTR(verity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) F2FS_FEATURE_RO_ATTR(sb_checksum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) F2FS_FEATURE_RO_ATTR(casefold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) F2FS_FEATURE_RO_ATTR(readonly);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) F2FS_FEATURE_RO_ATTR(compression);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_written_block, compr_written_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_saved_block, compr_saved_block);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_new_inode, compr_new_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) F2FS_FEATURE_RO_ATTR(pin_file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) /* For ATGC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_ratio, candidate_ratio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_candidate_count, max_candidate_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_weight, age_weight);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) F2FS_RW_ATTR(ATGC_INFO, atgc_management, atgc_age_threshold, age_threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_segment_mode, gc_segment_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_reclaimed_segments, gc_reclaimed_segs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) #define ATTR_LIST(name) (&f2fs_attr_##name.attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) static struct attribute *f2fs_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) ATTR_LIST(gc_urgent_sleep_time),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) ATTR_LIST(gc_min_sleep_time),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) ATTR_LIST(gc_max_sleep_time),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) ATTR_LIST(gc_no_gc_sleep_time),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) ATTR_LIST(gc_idle),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) ATTR_LIST(gc_urgent),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) ATTR_LIST(reclaim_segments),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) ATTR_LIST(main_blkaddr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) ATTR_LIST(max_small_discards),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) ATTR_LIST(discard_granularity),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) ATTR_LIST(pending_discard),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) ATTR_LIST(batched_trim_sections),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) ATTR_LIST(ipu_policy),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) ATTR_LIST(min_ipu_util),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) ATTR_LIST(min_fsync_blocks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) ATTR_LIST(min_seq_blocks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) ATTR_LIST(min_hot_blocks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) ATTR_LIST(min_ssr_sections),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) ATTR_LIST(max_victim_search),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) ATTR_LIST(migration_granularity),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) ATTR_LIST(dir_level),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) ATTR_LIST(ram_thresh),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) ATTR_LIST(ra_nid_pages),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) ATTR_LIST(dirty_nats_ratio),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) ATTR_LIST(cp_interval),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) ATTR_LIST(idle_interval),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) ATTR_LIST(discard_idle_interval),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) ATTR_LIST(gc_idle_interval),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) ATTR_LIST(umount_discard_timeout),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) ATTR_LIST(iostat_enable),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) ATTR_LIST(iostat_period_ms),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) ATTR_LIST(readdir_ra),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) ATTR_LIST(max_io_bytes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) ATTR_LIST(gc_pin_file_thresh),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) ATTR_LIST(extension_list),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) #ifdef CONFIG_F2FS_FAULT_INJECTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) ATTR_LIST(inject_rate),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) ATTR_LIST(inject_type),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) ATTR_LIST(data_io_flag),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) ATTR_LIST(node_io_flag),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) ATTR_LIST(ckpt_thread_ioprio),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) ATTR_LIST(dirty_segments),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) ATTR_LIST(free_segments),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) ATTR_LIST(ovp_segments),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) ATTR_LIST(unusable),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) ATTR_LIST(lifetime_write_kbytes),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) ATTR_LIST(features),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) ATTR_LIST(reserved_blocks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) ATTR_LIST(current_reserved_blocks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) ATTR_LIST(encoding),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) ATTR_LIST(mounted_time_sec),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) #ifdef CONFIG_F2FS_STAT_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) ATTR_LIST(cp_foreground_calls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) ATTR_LIST(cp_background_calls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) ATTR_LIST(gc_foreground_calls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) ATTR_LIST(gc_background_calls),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) ATTR_LIST(moved_blocks_foreground),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) ATTR_LIST(moved_blocks_background),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) ATTR_LIST(avg_vblocks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) ATTR_LIST(compr_written_block),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) ATTR_LIST(compr_saved_block),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) ATTR_LIST(compr_new_inode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) /* For ATGC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) ATTR_LIST(atgc_candidate_ratio),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) ATTR_LIST(atgc_candidate_count),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) ATTR_LIST(atgc_age_weight),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) ATTR_LIST(atgc_age_threshold),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) ATTR_LIST(gc_segment_mode),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) ATTR_LIST(gc_reclaimed_segments),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) ATTRIBUTE_GROUPS(f2fs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) static struct attribute *f2fs_feat_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) #ifdef CONFIG_FS_ENCRYPTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) ATTR_LIST(encryption),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) ATTR_LIST(test_dummy_encryption_v2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) ATTR_LIST(encrypted_casefold),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) #endif /* CONFIG_FS_ENCRYPTION */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) #ifdef CONFIG_BLK_DEV_ZONED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) ATTR_LIST(block_zoned),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) ATTR_LIST(atomic_write),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) ATTR_LIST(extra_attr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) ATTR_LIST(project_quota),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) ATTR_LIST(inode_checksum),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) ATTR_LIST(flexible_inline_xattr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) ATTR_LIST(quota_ino),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) ATTR_LIST(inode_crtime),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) ATTR_LIST(lost_found),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) #ifdef CONFIG_FS_VERITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) ATTR_LIST(verity),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) ATTR_LIST(sb_checksum),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) #ifdef CONFIG_UNICODE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) ATTR_LIST(casefold),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) ATTR_LIST(readonly),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) #ifdef CONFIG_F2FS_FS_COMPRESSION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) ATTR_LIST(compression),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) ATTR_LIST(pin_file),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) ATTRIBUTE_GROUPS(f2fs_feat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) F2FS_GENERAL_RO_ATTR(sb_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) static struct attribute *f2fs_stat_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) ATTR_LIST(sb_status),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) ATTRIBUTE_GROUPS(f2fs_stat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) F2FS_SB_FEATURE_RO_ATTR(encryption, ENCRYPT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) F2FS_SB_FEATURE_RO_ATTR(block_zoned, BLKZONED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) F2FS_SB_FEATURE_RO_ATTR(extra_attr, EXTRA_ATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) F2FS_SB_FEATURE_RO_ATTR(project_quota, PRJQUOTA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) F2FS_SB_FEATURE_RO_ATTR(inode_checksum, INODE_CHKSUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) F2FS_SB_FEATURE_RO_ATTR(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) F2FS_SB_FEATURE_RO_ATTR(quota_ino, QUOTA_INO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) F2FS_SB_FEATURE_RO_ATTR(inode_crtime, INODE_CRTIME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) F2FS_SB_FEATURE_RO_ATTR(lost_found, LOST_FOUND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) F2FS_SB_FEATURE_RO_ATTR(verity, VERITY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) F2FS_SB_FEATURE_RO_ATTR(sb_checksum, SB_CHKSUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) F2FS_SB_FEATURE_RO_ATTR(casefold, CASEFOLD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) F2FS_SB_FEATURE_RO_ATTR(compression, COMPRESSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) F2FS_SB_FEATURE_RO_ATTR(readonly, RO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) static struct attribute *f2fs_sb_feat_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) ATTR_LIST(sb_encryption),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) ATTR_LIST(sb_block_zoned),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) ATTR_LIST(sb_extra_attr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) ATTR_LIST(sb_project_quota),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) ATTR_LIST(sb_inode_checksum),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) ATTR_LIST(sb_flexible_inline_xattr),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) ATTR_LIST(sb_quota_ino),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) ATTR_LIST(sb_inode_crtime),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) ATTR_LIST(sb_lost_found),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) ATTR_LIST(sb_verity),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) ATTR_LIST(sb_sb_checksum),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) ATTR_LIST(sb_casefold),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) ATTR_LIST(sb_compression),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) ATTR_LIST(sb_readonly),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) ATTRIBUTE_GROUPS(f2fs_sb_feat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) static const struct sysfs_ops f2fs_attr_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) .show = f2fs_attr_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) .store = f2fs_attr_store,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) static struct kobj_type f2fs_sb_ktype = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) .default_groups = f2fs_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) .sysfs_ops = &f2fs_attr_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) .release = f2fs_sb_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) static struct kobj_type f2fs_ktype = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) .sysfs_ops = &f2fs_attr_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) static struct kset f2fs_kset = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) .kobj = {.ktype = &f2fs_ktype},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) static struct kobj_type f2fs_feat_ktype = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) .default_groups = f2fs_feat_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) .sysfs_ops = &f2fs_attr_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) static struct kobject f2fs_feat = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) .kset = &f2fs_kset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) static ssize_t f2fs_stat_attr_show(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) struct attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) s_stat_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) return a->show ? a->show(a, sbi, buf) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) static ssize_t f2fs_stat_attr_store(struct kobject *kobj, struct attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) const char *buf, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) s_stat_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) return a->store ? a->store(a, sbi, buf, len) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) static void f2fs_stat_kobj_release(struct kobject *kobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) s_stat_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) complete(&sbi->s_stat_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) static const struct sysfs_ops f2fs_stat_attr_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) .show = f2fs_stat_attr_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) .store = f2fs_stat_attr_store,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) static struct kobj_type f2fs_stat_ktype = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) .default_groups = f2fs_stat_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) .sysfs_ops = &f2fs_stat_attr_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) .release = f2fs_stat_kobj_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) static ssize_t f2fs_sb_feat_attr_show(struct kobject *kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) struct attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) s_feature_list_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) return a->show ? a->show(a, sbi, buf) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) static void f2fs_feature_list_kobj_release(struct kobject *kobj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) s_feature_list_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) complete(&sbi->s_feature_list_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) static const struct sysfs_ops f2fs_feature_list_attr_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) .show = f2fs_sb_feat_attr_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) static struct kobj_type f2fs_feature_list_ktype = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) .default_groups = f2fs_sb_feat_groups,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) .sysfs_ops = &f2fs_feature_list_attr_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) .release = f2fs_feature_list_kobj_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) static int __maybe_unused segment_info_seq_show(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) void *offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) struct super_block *sb = seq->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) struct f2fs_sb_info *sbi = F2FS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) unsigned int total_segs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) le32_to_cpu(sbi->raw_super->segment_count_main);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) seq_puts(seq, "format: segment_type|valid_blocks\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) "segment_type(0:HD, 1:WD, 2:CD, 3:HN, 4:WN, 5:CN)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) for (i = 0; i < total_segs; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) struct seg_entry *se = get_seg_entry(sbi, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) if ((i % 10) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) seq_printf(seq, "%-10d", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) seq_printf(seq, "%d|%-3u", se->type, se->valid_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) if ((i % 10) == 9 || i == (total_segs - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) seq_putc(seq, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) seq_putc(seq, ' ');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) static int __maybe_unused segment_bits_seq_show(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) void *offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) struct super_block *sb = seq->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) struct f2fs_sb_info *sbi = F2FS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) unsigned int total_segs =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) le32_to_cpu(sbi->raw_super->segment_count_main);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) seq_puts(seq, "format: segment_type|valid_blocks|bitmaps\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) "segment_type(0:HD, 1:WD, 2:CD, 3:HN, 4:WN, 5:CN)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) for (i = 0; i < total_segs; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) struct seg_entry *se = get_seg_entry(sbi, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) seq_printf(seq, "%-10d", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) seq_printf(seq, "%d|%-3u|", se->type, se->valid_blocks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) for (j = 0; j < SIT_VBLOCK_MAP_SIZE; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) seq_printf(seq, " %.2x", se->cur_valid_map[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) seq_putc(seq, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) void f2fs_record_iostat(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) unsigned long long iostat_diff[NR_IO_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) if (time_is_after_jiffies(sbi->iostat_next_period))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) /* Need double check under the lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) spin_lock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) if (time_is_after_jiffies(sbi->iostat_next_period)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) spin_unlock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) sbi->iostat_next_period = jiffies +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) msecs_to_jiffies(sbi->iostat_period_ms);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) for (i = 0; i < NR_IO_TYPE; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) iostat_diff[i] = sbi->rw_iostat[i] -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) sbi->prev_rw_iostat[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) sbi->prev_rw_iostat[i] = sbi->rw_iostat[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) spin_unlock(&sbi->iostat_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) trace_f2fs_iostat(sbi, iostat_diff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) static int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) void *offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) struct super_block *sb = seq->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) struct f2fs_sb_info *sbi = F2FS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) time64_t now = ktime_get_real_seconds();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) if (!sbi->iostat_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) seq_printf(seq, "time: %-16llu\n", now);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) /* print app write IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) seq_puts(seq, "[WRITE]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) seq_printf(seq, "app buffered: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) sbi->rw_iostat[APP_BUFFERED_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) seq_printf(seq, "app direct: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) sbi->rw_iostat[APP_DIRECT_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) seq_printf(seq, "app mapped: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) sbi->rw_iostat[APP_MAPPED_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) /* print fs write IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) seq_printf(seq, "fs data: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) sbi->rw_iostat[FS_DATA_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) seq_printf(seq, "fs node: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) sbi->rw_iostat[FS_NODE_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) seq_printf(seq, "fs meta: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) sbi->rw_iostat[FS_META_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) seq_printf(seq, "fs gc data: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) sbi->rw_iostat[FS_GC_DATA_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) seq_printf(seq, "fs gc node: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) sbi->rw_iostat[FS_GC_NODE_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) seq_printf(seq, "fs cp data: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) sbi->rw_iostat[FS_CP_DATA_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) seq_printf(seq, "fs cp node: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) sbi->rw_iostat[FS_CP_NODE_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) seq_printf(seq, "fs cp meta: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) sbi->rw_iostat[FS_CP_META_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) /* print app read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) seq_puts(seq, "[READ]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) seq_printf(seq, "app buffered: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) sbi->rw_iostat[APP_BUFFERED_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) seq_printf(seq, "app direct: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) sbi->rw_iostat[APP_DIRECT_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) seq_printf(seq, "app mapped: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) sbi->rw_iostat[APP_MAPPED_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) /* print fs read IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) seq_printf(seq, "fs data: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) sbi->rw_iostat[FS_DATA_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) seq_printf(seq, "fs gc data: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) sbi->rw_iostat[FS_GDATA_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) seq_printf(seq, "fs compr_data: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) sbi->rw_iostat[FS_CDATA_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) seq_printf(seq, "fs node: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) sbi->rw_iostat[FS_NODE_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) seq_printf(seq, "fs meta: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) sbi->rw_iostat[FS_META_READ_IO]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) /* print other IOs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) seq_puts(seq, "[OTHER]\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) seq_printf(seq, "fs discard: %-16llu\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) sbi->rw_iostat[FS_DISCARD]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) static int __maybe_unused victim_bits_seq_show(struct seq_file *seq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) void *offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) struct super_block *sb = seq->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) struct f2fs_sb_info *sbi = F2FS_SB(sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) seq_puts(seq, "format: victim_secmap bitmaps\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) for (i = 0; i < MAIN_SECS(sbi); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) if ((i % 10) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) seq_printf(seq, "%-10d", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) seq_printf(seq, "%d", test_bit(i, dirty_i->victim_secmap) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) if ((i % 10) == 9 || i == (MAIN_SECS(sbi) - 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) seq_putc(seq, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) seq_putc(seq, ' ');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) int __init f2fs_init_sysfs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) kobject_set_name(&f2fs_kset.kobj, "f2fs");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) f2fs_kset.kobj.parent = fs_kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) ret = kset_register(&f2fs_kset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) ret = kobject_init_and_add(&f2fs_feat, &f2fs_feat_ktype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) NULL, "features");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) kobject_put(&f2fs_feat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) kset_unregister(&f2fs_kset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) f2fs_proc_root = proc_mkdir("fs/f2fs", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) void f2fs_exit_sysfs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) kobject_put(&f2fs_feat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) kset_unregister(&f2fs_kset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) remove_proc_entry("fs/f2fs", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) f2fs_proc_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) int f2fs_register_sysfs(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) struct super_block *sb = sbi->sb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) sbi->s_kobj.kset = &f2fs_kset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) init_completion(&sbi->s_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) "%s", sb->s_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) goto put_sb_kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) sbi->s_stat_kobj.kset = &f2fs_kset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) init_completion(&sbi->s_stat_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) err = kobject_init_and_add(&sbi->s_stat_kobj, &f2fs_stat_ktype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) &sbi->s_kobj, "stat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) goto put_stat_kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) sbi->s_feature_list_kobj.kset = &f2fs_kset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) init_completion(&sbi->s_feature_list_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) err = kobject_init_and_add(&sbi->s_feature_list_kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) &f2fs_feature_list_ktype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) &sbi->s_kobj, "feature_list");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) goto put_feature_list_kobj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) if (f2fs_proc_root)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) if (sbi->s_proc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) proc_create_single_data("segment_info", S_IRUGO, sbi->s_proc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) segment_info_seq_show, sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) proc_create_single_data("segment_bits", S_IRUGO, sbi->s_proc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) segment_bits_seq_show, sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) proc_create_single_data("iostat_info", S_IRUGO, sbi->s_proc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) iostat_info_seq_show, sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) proc_create_single_data("victim_bits", S_IRUGO, sbi->s_proc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) victim_bits_seq_show, sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) put_feature_list_kobj:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) kobject_put(&sbi->s_feature_list_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) wait_for_completion(&sbi->s_feature_list_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) put_stat_kobj:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) kobject_put(&sbi->s_stat_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) wait_for_completion(&sbi->s_stat_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) put_sb_kobj:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) kobject_put(&sbi->s_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) wait_for_completion(&sbi->s_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) if (sbi->s_proc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) remove_proc_entry("iostat_info", sbi->s_proc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) remove_proc_entry("segment_info", sbi->s_proc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) remove_proc_entry("segment_bits", sbi->s_proc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) remove_proc_entry("victim_bits", sbi->s_proc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) kobject_del(&sbi->s_stat_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) kobject_put(&sbi->s_stat_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) wait_for_completion(&sbi->s_stat_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) kobject_del(&sbi->s_feature_list_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) kobject_put(&sbi->s_feature_list_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) wait_for_completion(&sbi->s_feature_list_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) kobject_del(&sbi->s_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) kobject_put(&sbi->s_kobj);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) wait_for_completion(&sbi->s_kobj_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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