fat.h File Reference

#include <linux/buffer_head.h>
#include <linux/string.h>
#include <linux/nls.h>
#include <linux/fs.h>
#include <linux/hash.h>
#include <linux/mutex.h>
#include <linux/ratelimit.h>
#include <linux/msdos_fs.h>

Go to the source code of this file.

Data Structures
struct	fat_mount_options
struct	msdos_sb_info
struct	msdos_inode_info
struct	fat_slot_info
struct	fat_entry

Macros
#define	VFAT_SFN_DISPLAY_LOWER   0x0001 /* convert to lowercase for display */
#define	VFAT_SFN_DISPLAY_WIN95   0x0002 /* emulate win95 rule for display */
#define	VFAT_SFN_DISPLAY_WINNT   0x0004 /* emulate winnt rule for display */
#define	VFAT_SFN_CREATE_WIN95   0x0100 /* emulate win95 rule for create */
#define	VFAT_SFN_CREATE_WINNT   0x0200 /* emulate winnt rule for create */
#define	FAT_ERRORS_CONT   1 /* ignore error and continue */
#define	FAT_ERRORS_PANIC   2 /* panic on error */
#define	FAT_ERRORS_RO   3 /* remount r/o on error */
#define	FAT_HASH_BITS   8
#define	FAT_HASH_SIZE   (1UL << FAT_HASH_BITS)
#define	FAT_CACHE_VALID   0 /* special case for valid cache */
#define	fat_fs_error(sb, fmt, args...)   __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_msg_ratelimit(sb, level, fmt, args...)

Typedefs
typedef unsigned long long	llu

Functions
void	fat_cache_inval_inode (struct inode *inode)
int	fat_get_cluster (struct inode *inode, int cluster, int *fclus, int *dclus)
int	fat_bmap (struct inode *inode, sector_t sector, sector_t *phys, unsigned long *mapped_blocks, int create)
int	fat_search_long (struct inode *inode, const unsigned char *name, int name_len, struct fat_slot_info *sinfo)
int	fat_dir_empty (struct inode *dir)
int	fat_subdirs (struct inode *dir)
int	fat_scan (struct inode *dir, const unsigned char *name, struct fat_slot_info *sinfo)
int	fat_get_dotdot_entry (struct inode *dir, struct buffer_head **bh, struct msdos_dir_entry **de)
int	fat_alloc_new_dir (struct inode *dir, struct timespec *ts)
int	fat_add_entries (struct inode *dir, void *slots, int nr_slots, struct fat_slot_info *sinfo)
int	fat_remove_entries (struct inode *dir, struct fat_slot_info *sinfo)
void	fat_ent_access_init (struct super_block *sb)
int	fat_ent_read (struct inode *inode, struct fat_entry *fatent, int entry)
int	fat_ent_write (struct inode *inode, struct fat_entry *fatent, int new, int wait)
int	fat_alloc_clusters (struct inode *inode, int *cluster, int nr_cluster)
int	fat_free_clusters (struct inode *inode, int cluster)
int	fat_count_free_clusters (struct super_block *sb)
long	fat_generic_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
int	fat_setattr (struct dentry *dentry, struct iattr *attr)
void	fat_truncate_blocks (struct inode *inode, loff_t offset)
int	fat_getattr (struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
int	fat_file_fsync (struct file *file, loff_t start, loff_t end, int datasync)
void	fat_attach (struct inode *inode, loff_t i_pos)
void	fat_detach (struct inode *inode)
struct inode *	fat_iget (struct super_block *sb, loff_t i_pos)
struct inode *	fat_build_inode (struct super_block *sb, struct msdos_dir_entry *de, loff_t i_pos)
int	fat_sync_inode (struct inode *inode)
int	fat_fill_super (struct super_block *sb, void *data, int silent, int isvfat, void(*setup)(struct super_block *))
int	fat_flush_inodes (struct super_block *sb, struct inode *i1, struct inode *i2)
	__printf (3, 4) __cold void __fat_fs_error(struct super_block *sb
int	fat_clusters_flush (struct super_block *sb)
int	fat_chain_add (struct inode *inode, int new_dclus, int nr_cluster)
void	fat_time_fat2unix (struct msdos_sb_info *sbi, struct timespec *ts, __le16 __time, __le16 __date, u8 time_cs)
void	fat_time_unix2fat (struct msdos_sb_info *sbi, struct timespec *ts, __le16 *time, __le16 *date, u8 *time_cs)
int	fat_sync_bhs (struct buffer_head **bhs, int nr_bhs)
int	fat_cache_init (void)
void	fat_cache_destroy (void)
struct dentry *	fat_fh_to_dentry (struct super_block *sb, struct fid *fid, int fh_len, int fh_type)
struct dentry *	fat_fh_to_parent (struct super_block *sb, struct fid *fid, int fh_len, int fh_type)
struct dentry *	fat_get_parent (struct dentry *child_dir)

Variables
struct file_operations	fat_dir_operations
struct file_operations	fat_file_operations
struct inode_operations	fat_file_inode_operations
int	report
int const char *	fmt
const char *	level

Macro Definition Documentation

#define FAT_CACHE_VALID   0 /* special case for valid cache */

Definition at line 99 of file fat.h.

#define FAT_ERRORS_CONT   1 /* ignore error and continue */

Definition at line 22 of file fat.h.

#define FAT_ERRORS_PANIC   2 /* panic on error */

Definition at line 23 of file fat.h.

#define FAT_ERRORS_RO   3 /* remount r/o on error */

Definition at line 24 of file fat.h.

#define fat_fs_error	(		sb,
			fmt,
			args...
	)		__fat_fs_error(sb, 1, fmt , ## args)

Definition at line 359 of file fat.h.

#define fat_fs_error_ratelimit	(		sb,
			fmt,
			args...
	)		__fat_fs_error(sb, __ratelimit(&MSDOS_SB(sb)->ratelimit), fmt , ## args)

Definition at line 361 of file fat.h.

#define FAT_HASH_BITS   8

Definition at line 54 of file fat.h.

#define FAT_HASH_SIZE   (1UL << FAT_HASH_BITS)

Definition at line 55 of file fat.h.

#define fat_msg_ratelimit	(		sb,
			level,
			fmt,
			args...
	)

Value:

do {    \
            if (__ratelimit(&MSDOS_SB(sb)->ratelimit))  \
                fat_msg(sb, level, fmt, ## args);   \
     } while (0)

Definition at line 365 of file fat.h.

#define VFAT_SFN_CREATE_WIN95   0x0100 /* emulate win95 rule for create */

Definition at line 19 of file fat.h.

#define VFAT_SFN_CREATE_WINNT   0x0200 /* emulate winnt rule for create */

Definition at line 20 of file fat.h.

#define VFAT_SFN_DISPLAY_LOWER   0x0001 /* convert to lowercase for display */

Definition at line 16 of file fat.h.

#define VFAT_SFN_DISPLAY_WIN95   0x0002 /* emulate win95 rule for display */

Definition at line 17 of file fat.h.

#define VFAT_SFN_DISPLAY_WINNT   0x0004 /* emulate winnt rule for display */

Definition at line 18 of file fat.h.

Typedef Documentation

typedef unsigned long long llu

Definition at line 390 of file fat.h.

Function Documentation

__printf	(	3	,
		4
	)

int fat_add_entries	(	struct inode *	dir,
		void *	slots,
		int	nr_slots,
		struct fat_slot_info *	sinfo
	)

Definition at line 1246 of file dir.c.

int fat_alloc_clusters	(	struct inode *	inode,
		int *	cluster,
		int	nr_cluster
	)

Definition at line 465 of file fatent.c.

int fat_alloc_new_dir	(	struct inode *	dir,
		struct timespec *	ts
	)

Definition at line 1104 of file dir.c.

void fat_attach	(	struct inode *	inode,
		loff_t	i_pos
	)

Definition at line 294 of file inode.c.

int fat_bmap	(	struct inode *	inode,
		sector_t	sector,
		sector_t *	phys,
		unsigned long *	mapped_blocks,
		int	create
	)

Definition at line 306 of file cache.c.

struct inode* fat_build_inode ( struct super_block *  sb, struct msdos_dir_entry *  de, loff_t  i_pos  )

read

Definition at line 447 of file inode.c.

void fat_cache_destroy

(

void

)

Definition at line 58 of file cache.c.

int fat_cache_init

(

void

)

Definition at line 47 of file cache.c.

void fat_cache_inval_inode

(

struct inode *

inode

)

Definition at line 205 of file cache.c.

int fat_chain_add	(	struct inode *	inode,
		int	new_dclus,
		int	nr_cluster
	)

Definition at line 104 of file misc.c.

int fat_clusters_flush

(

struct super_block *

sb

)

Definition at line 65 of file misc.c.

int fat_count_free_clusters

(

struct super_block *

sb

)

Definition at line 652 of file fatent.c.

void fat_detach

(

struct inode *

inode

)

Definition at line 323 of file inode.c.

int fat_dir_empty

(

struct inode *

dir

)

Definition at line 902 of file dir.c.

void fat_ent_access_init

(

struct super_block *

sb

)

Definition at line 289 of file fatent.c.

int fat_ent_read	(	struct inode *	inode,
		struct fat_entry *	fatent,
		int	entry
	)

Definition at line 351 of file fatent.c.

int fat_ent_write	(	struct inode *	inode,
		struct fat_entry *	fatent,
		int	new,
		int	wait
	)

Definition at line 409 of file fatent.c.

struct dentry* fat_fh_to_dentry ( struct super_block *  sb, struct fid *  fid, int  fh_len, int  fh_type  )

read

Map a NFS file handle to a corresponding dentry. The dentry may or may not be connected to the filesystem root.

Definition at line 63 of file nfs.c.

struct dentry* fat_fh_to_parent ( struct super_block *  sb, struct fid *  fid, int  fh_len, int  fh_type  )

read

Definition at line 74 of file nfs.c.

int fat_file_fsync	(	struct file *	file,
		loff_t	start,
		loff_t	end,
		int	datasync
	)

Definition at line 151 of file file.c.

int fat_fill_super	(	struct super_block *	sb,
		void *	data,
		int	silent,
		int	isvfat,
		void(*)(struct super_block *)	setup
	)

Definition at line 1154 of file inode.c.

int fat_flush_inodes	(	struct super_block *	sb,
		struct inode *	i1,
		struct inode *	i2
	)

Definition at line 1486 of file inode.c.

int fat_free_clusters	(	struct inode *	inode,
		int	cluster
	)

Definition at line 553 of file fatent.c.

long fat_generic_ioctl	(	struct file *	filp,
		unsigned int	cmd,
		unsigned long	arg
	)

Definition at line 117 of file file.c.

int fat_get_cluster	(	struct inode *	inode,
		int	cluster,
		int *	fclus,
		int *	dclus
	)

Definition at line 226 of file cache.c.

int fat_get_dotdot_entry	(	struct inode *	dir,
		struct buffer_head **	bh,
		struct msdos_dir_entry **	de
	)

Definition at line 887 of file dir.c.

struct dentry* fat_get_parent ( struct dentry *  child_dir )

read

Definition at line 87 of file nfs.c.

int fat_getattr	(	struct vfsmount *	mnt,
		struct dentry *	dentry,
		struct kstat *	stat
	)

Definition at line 304 of file file.c.

struct inode* fat_iget ( struct super_block *  sb, loff_t  i_pos  )

read

Definition at line 339 of file inode.c.

int fat_remove_entries	(	struct inode *	dir,
		struct fat_slot_info *	sinfo
	)

Definition at line 1003 of file dir.c.

int fat_scan	(	struct inode *	dir,
		const unsigned char *	name,
		struct fat_slot_info *	sinfo
	)

Definition at line 948 of file dir.c.

int fat_search_long	(	struct inode *	inode,
		const unsigned char *	name,
		int	name_len,
		struct fat_slot_info *	sinfo
	)

Definition at line 467 of file dir.c.

int fat_setattr	(	struct dentry *	dentry,
		struct iattr *	attr
	)

Definition at line 370 of file file.c.

int fat_subdirs

(

struct inode *

dir

)

Definition at line 927 of file dir.c.

int fat_sync_bhs	(	struct buffer_head **	bhs,
		int	nr_bhs
	)

Definition at line 265 of file misc.c.

int fat_sync_inode

(

struct inode *

inode

)

Definition at line 685 of file inode.c.

void fat_time_fat2unix	(	struct msdos_sb_info *	sbi,
		struct timespec *	ts,
		__le16	__time,
		__le16	__date,
		u8	time_cs
	)

Definition at line 192 of file misc.c.

void fat_time_unix2fat	(	struct msdos_sb_info *	sbi,
		struct timespec *	ts,
		__le16 *	time,
		__le16 *	date,
		u8 *	time_cs
	)

Definition at line 228 of file misc.c.

void fat_truncate_blocks	(	struct inode *	inode,
		loff_t	offset
	)

Definition at line 285 of file file.c.

Variable Documentation

struct file_operations fat_dir_operations

Definition at line 855 of file dir.c.

struct inode_operations fat_file_inode_operations

Definition at line 446 of file file.c.

struct file_operations fat_file_operations

Definition at line 163 of file file.c.

const char const char* fmt

Definition at line 358 of file fat.h.

const char* level

Definition at line 364 of file fat.h.

int report

Definition at line 358 of file fat.h.