diff options
Diffstat (limited to 'fs/fat/fat.h')
| -rw-r--r-- | fs/fat/fat.h | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/fs/fat/fat.h b/fs/fat/fat.h index 922a0c6ba46c..d3e426de5f01 100644 --- a/fs/fat/fat.h +++ b/fs/fat/fat.h @@ -7,6 +7,8 @@ #include <linux/hash.h> #include <linux/ratelimit.h> #include <linux/msdos_fs.h> +#include <linux/fs_context.h> +#include <linux/fs_parser.h> /* * vfat shortname flags @@ -51,7 +53,8 @@ struct fat_mount_options { tz_set:1, /* Filesystem timestamps' offset set */ rodir:1, /* allow ATTR_RO for directory */ discard:1, /* Issue discard requests on deletions */ - dos1xfloppy:1; /* Assume default BPB for DOS 1.x floppies */ + dos1xfloppy:1, /* Assume default BPB for DOS 1.x floppies */ + debug:1; /* Not currently used */ }; #define FAT_HASH_BITS 8 @@ -126,6 +129,7 @@ struct msdos_inode_info { struct hlist_node i_fat_hash; /* hash by i_location */ struct hlist_node i_dir_hash; /* hash by i_logstart */ struct rw_semaphore truncate_lock; /* protect bmap against truncate */ + struct timespec64 i_crtime; /* File creation (birth) time */ struct inode vfs_inode; }; @@ -397,9 +401,11 @@ extern long fat_generic_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); extern const struct file_operations fat_file_operations; extern const struct inode_operations fat_file_inode_operations; -extern int fat_setattr(struct dentry *dentry, struct iattr *attr); +extern int fat_setattr(struct mnt_idmap *idmap, struct dentry *dentry, + struct iattr *attr); extern void fat_truncate_blocks(struct inode *inode, loff_t offset); -extern int fat_getattr(const struct path *path, struct kstat *stat, +extern int fat_getattr(struct mnt_idmap *idmap, + const struct path *path, struct kstat *stat, u32 request_mask, unsigned int flags); extern int fat_file_fsync(struct file *file, loff_t start, loff_t end, int datasync); @@ -412,12 +418,21 @@ extern struct inode *fat_iget(struct super_block *sb, loff_t i_pos); extern struct inode *fat_build_inode(struct super_block *sb, struct msdos_dir_entry *de, loff_t i_pos); extern int fat_sync_inode(struct inode *inode); -extern int fat_fill_super(struct super_block *sb, void *data, int silent, - int isvfat, void (*setup)(struct super_block *)); +extern int fat_fill_super(struct super_block *sb, struct fs_context *fc, + void (*setup)(struct super_block *)); extern int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de); extern int fat_flush_inodes(struct super_block *sb, struct inode *i1, struct inode *i2); + +extern const struct fs_parameter_spec fat_param_spec[]; +int fat_init_fs_context(struct fs_context *fc, bool is_vfat); +void fat_free_fc(struct fs_context *fc); + +int fat_parse_param(struct fs_context *fc, struct fs_parameter *param, + bool is_vfat); +int fat_reconfigure(struct fs_context *fc); + static inline unsigned long fat_dir_hash(int logstart) { return hash_32(logstart, FAT_HASH_BITS); @@ -431,8 +446,15 @@ void __fat_fs_error(struct super_block *sb, int report, const char *fmt, ...); __fat_fs_error(sb, 1, fmt , ## args) #define fat_fs_error_ratelimit(sb, fmt, args...) \ __fat_fs_error(sb, __ratelimit(&MSDOS_SB(sb)->ratelimit), fmt , ## args) + +#define FAT_PRINTK_PREFIX "%sFAT-fs (%s): " +#define fat_msg(sb, level, fmt, args...) \ +do { \ + printk_index_subsys_emit(FAT_PRINTK_PREFIX, level, fmt, ##args);\ + _fat_msg(sb, level, fmt, ##args); \ +} while (0) __printf(3, 4) __cold -void fat_msg(struct super_block *sb, const char *level, const char *fmt, ...); +void _fat_msg(struct super_block *sb, const char *level, const char *fmt, ...); #define fat_msg_ratelimit(sb, level, fmt, args...) \ do { \ if (__ratelimit(&MSDOS_SB(sb)->ratelimit)) \ @@ -444,10 +466,13 @@ extern void fat_time_fat2unix(struct msdos_sb_info *sbi, struct timespec64 *ts, __le16 __time, __le16 __date, u8 time_cs); extern void fat_time_unix2fat(struct msdos_sb_info *sbi, struct timespec64 *ts, __le16 *time, __le16 *date, u8 *time_cs); +extern struct timespec64 fat_truncate_atime(const struct msdos_sb_info *sbi, + const struct timespec64 *ts); +extern struct timespec64 fat_truncate_mtime(const struct msdos_sb_info *sbi, + const struct timespec64 *ts); extern int fat_truncate_time(struct inode *inode, struct timespec64 *now, int flags); -extern int fat_update_time(struct inode *inode, struct timespec64 *now, - int flags); +extern int fat_update_time(struct inode *inode, int flags); extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs); int fat_cache_init(void); |