^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) #ifndef _UFS_UFS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _UFS_UFS_H 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #ifdef pr_fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #undef pr_fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define UFS_MAX_GROUP_LOADED 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define UFS_CGNO_EMPTY ((unsigned)-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct ufs_sb_private_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct ufs_cg_private_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) struct ufs_csum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct ufs_sb_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct ufs_sb_private_info * s_uspi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct ufs_csum * s_csp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) unsigned s_bytesex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) unsigned s_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct buffer_head ** s_ucg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct ufs_cg_private_info * s_ucpi[UFS_MAX_GROUP_LOADED];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) unsigned s_cgno[UFS_MAX_GROUP_LOADED];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) unsigned short s_cg_loaded;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) unsigned s_mount_opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct super_block *sb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) int work_queued; /* non-zero if the delayed work is queued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct delayed_work sync_work; /* FS sync delayed work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) spinlock_t work_lock; /* protects sync_work and work_queued */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct mutex s_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) struct ufs_inode_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) __fs32 i_data[15];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) __u8 i_symlink[2 * 4 * 15];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) __fs64 u2_i_data[15];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) } i_u1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) __u32 i_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) __u32 i_shadow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) __u32 i_unused1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) __u32 i_unused2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) __u32 i_oeftflag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) __u16 i_osync;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) __u64 i_lastfrag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) seqlock_t meta_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct mutex truncate_mutex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) __u32 i_dir_start_lookup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct inode vfs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) /* mount options */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define UFS_MOUNT_ONERROR 0x0000000F
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define UFS_MOUNT_ONERROR_PANIC 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define UFS_MOUNT_ONERROR_LOCK 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define UFS_MOUNT_ONERROR_UMOUNT 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define UFS_MOUNT_ONERROR_REPAIR 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define UFS_MOUNT_UFSTYPE 0x0000FFF0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define UFS_MOUNT_UFSTYPE_OLD 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define UFS_MOUNT_UFSTYPE_44BSD 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define UFS_MOUNT_UFSTYPE_SUN 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define UFS_MOUNT_UFSTYPE_NEXTSTEP 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define UFS_MOUNT_UFSTYPE_NEXTSTEP_CD 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define UFS_MOUNT_UFSTYPE_OPENSTEP 0x00000200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define UFS_MOUNT_UFSTYPE_SUNx86 0x00000400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define UFS_MOUNT_UFSTYPE_HP 0x00000800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define UFS_MOUNT_UFSTYPE_UFS2 0x00001000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define UFS_MOUNT_UFSTYPE_SUNOS 0x00002000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define ufs_clear_opt(o,opt) o &= ~UFS_MOUNT_##opt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define ufs_set_opt(o,opt) o |= UFS_MOUNT_##opt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define ufs_test_opt(o,opt) ((o) & UFS_MOUNT_##opt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * Debug code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #ifdef CONFIG_UFS_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) # define UFSD(f, a...) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) pr_debug("UFSD (%s, %d): %s:", \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) __FILE__, __LINE__, __func__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) pr_debug(f, ## a); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) # define UFSD(f, a...) /**/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* balloc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) extern void ufs_free_fragments (struct inode *, u64, unsigned);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) extern void ufs_free_blocks (struct inode *, u64, unsigned);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) extern u64 ufs_new_fragments(struct inode *, void *, u64, u64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) unsigned, int *, struct page *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* cylinder.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) extern struct ufs_cg_private_info * ufs_load_cylinder (struct super_block *, unsigned);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) extern void ufs_put_cylinder (struct super_block *, unsigned);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /* dir.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) extern const struct inode_operations ufs_dir_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) extern int ufs_add_link (struct dentry *, struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) extern ino_t ufs_inode_by_name(struct inode *, const struct qstr *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) extern int ufs_make_empty(struct inode *, struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, struct page **);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) extern int ufs_empty_dir (struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) extern void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct page *page, struct inode *inode, bool update_times);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) /* file.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) extern const struct inode_operations ufs_file_inode_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) extern const struct file_operations ufs_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) extern const struct address_space_operations ufs_aops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* ialloc.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) extern void ufs_free_inode (struct inode *inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) extern struct inode * ufs_new_inode (struct inode *, umode_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /* inode.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) extern struct inode *ufs_iget(struct super_block *, unsigned long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) extern int ufs_write_inode (struct inode *, struct writeback_control *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) extern int ufs_sync_inode (struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) extern void ufs_evict_inode (struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) extern int ufs_setattr(struct dentry *dentry, struct iattr *attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* namei.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) extern const struct file_operations ufs_dir_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) /* super.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) extern __printf(3, 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) void ufs_warning(struct super_block *, const char *, const char *, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) extern __printf(3, 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) void ufs_error(struct super_block *, const char *, const char *, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) extern __printf(3, 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) void ufs_panic(struct super_block *, const char *, const char *, ...);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) void ufs_mark_sb_dirty(struct super_block *sb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static inline struct ufs_sb_info *UFS_SB(struct super_block *sb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return sb->s_fs_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static inline struct ufs_inode_info *UFS_I(struct inode *inode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return container_of(inode, struct ufs_inode_info, vfs_inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * Give cylinder group number for a file system block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) * Give cylinder group block number for a file system block.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /* #define ufs_dtog(d) ((d) / uspi->s_fpg) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static inline u64 ufs_dtog(struct ufs_sb_private_info * uspi, u64 b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) do_div(b, uspi->s_fpg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) return b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /* #define ufs_dtogd(d) ((d) % uspi->s_fpg) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static inline u32 ufs_dtogd(struct ufs_sb_private_info * uspi, u64 b)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return do_div(b, uspi->s_fpg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #endif /* _UFS_UFS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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