ext_fs.h File Reference

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Data Structures
struct	ext_inode
struct	ext_free_inode
struct	ext_free_block
struct	ext_super_block
struct	ext_dir_entry
Defines
#define	EXT_NAME_LEN   255
#define	EXT_ROOT_INO   1
#define	EXT_SUPER_MAGIC   0x137D
#define	EXT_INODES_PER_BLOCK   ((BLOCK_SIZE)/(sizeof (struct ext_inode)))
Functions
int	ext_open (struct inode *inode, struct file *filp)
void	ext_release (struct inode *inode, struct file *filp)
int	ext_lookup (struct inode *dir, const char *name, int len, struct inode **result)
int	ext_create (struct inode *dir, const char *name, int len, int mode, struct inode **result)
int	ext_mkdir (struct inode *dir, const char *name, int len, int mode)
int	ext_rmdir (struct inode *dir, const char *name, int len)
int	ext_unlink (struct inode *dir, const char *name, int len)
int	ext_symlink (struct inode *inode, const char *name, int len, const char *symname)
int	ext_link (struct inode *oldinode, struct inode *dir, const char *name, int len)
int	ext_mknod (struct inode *dir, const char *name, int len, int mode, int rdev)
int	ext_rename (struct inode *old_dir, const char *old_name, int old_len, struct inode *new_dir, const char *new_name, int new_len)
inode *	ext_new_inode (const struct inode *dir)
void	ext_free_inode (struct inode *inode)
unsigned long	ext_count_free_inodes (struct super_block *sb)
int	ext_new_block (struct super_block *sb)
void	ext_free_block (struct super_block *sb, int block)
unsigned long	ext_count_free_blocks (struct super_block *sb)
int	ext_bmap (struct inode *, int)
buffer_head *	ext_getblk (struct inode *, int, int)
buffer_head *	ext_bread (struct inode *, int, int)
void	ext_truncate (struct inode *)
void	ext_put_super (struct super_block *)
void	ext_write_super (struct super_block *)
super_block *	ext_read_super (struct super_block *, void *, int)
void	ext_read_inode (struct inode *)
void	ext_write_inode (struct inode *)
void	ext_put_inode (struct inode *)
void	ext_statfs (struct super_block *, struct statfs *)
int	ext_sync_inode (struct inode *)
int	ext_sync_file (struct inode *, struct file *)
int	ext_lseek (struct inode *, struct file *, off_t, int)
int	ext_read (struct inode *, struct file *, char *, int)
int	ext_write (struct inode *, struct file *, char *, int)
Variables
inode_operations	ext_file_inode_operations
inode_operations	ext_dir_inode_operations
inode_operations	ext_symlink_inode_operations

---

Define Documentation

#define EXT_INODES_PER_BLOCK   ((BLOCK_SIZE)/(sizeof (struct ext_inode)))

Definition at line 17 of file ext_fs.h.

#define EXT_NAME_LEN   255

The ext filesystem constants/structures

Definition at line 12 of file ext_fs.h.

#define EXT_ROOT_INO   1

Definition at line 13 of file ext_fs.h.

#define EXT_SUPER_MAGIC   0x137D

Definition at line 15 of file ext_fs.h.

---

Function Documentation

int ext_bmap	(	struct inode *	,
		int
	)

struct buffer_head* ext_bread	(	struct inode *	,
		int	,
		int
	)

unsigned long ext_count_free_blocks

(

struct super_block *

sb

)

unsigned long ext_count_free_inodes

(

struct super_block *

sb

)

int ext_create	(	struct inode *	dir,
		const char *	name,
		int	len,
		int	mode,
		struct inode **	result
	)

void ext_free_block	(	struct super_block *	sb,
		int	block
	)

void ext_free_inode

(

struct inode *

inode

)

struct buffer_head* ext_getblk	(	struct inode *	,
		int	,
		int
	)

int ext_link	(	struct inode *	oldinode,
		struct inode *	dir,
		const char *	name,
		int	len
	)

int ext_lookup	(	struct inode *	dir,
		const char *	name,
		int	len,
		struct inode **	result
	)

int ext_lseek	(	struct inode *	,
		struct file *	,
		off_t	,
		int
	)

int ext_mkdir	(	struct inode *	dir,
		const char *	name,
		int	len,
		int	mode
	)

int ext_mknod	(	struct inode *	dir,
		const char *	name,
		int	len,
		int	mode,
		int	rdev
	)

int ext_new_block

(

struct super_block *

sb

)

struct inode* ext_new_inode

(

const struct inode *

dir

)

int ext_open	(	struct inode *	inode,
		struct file *	filp
	)

void ext_put_inode

(

struct inode *

)

void ext_put_super

(

struct super_block *

)

int ext_read	(	struct inode *	,
		struct file *	,
		char *	,
		int
	)

void ext_read_inode

(

struct inode *

)

struct super_block* ext_read_super	(	struct super_block *	,
		void *	,
		int
	)

void ext_release	(	struct inode *	inode,
		struct file *	filp
	)

int ext_rename	(	struct inode *	old_dir,
		const char *	old_name,
		int	old_len,
		struct inode *	new_dir,
		const char *	new_name,
		int	new_len
	)

int ext_rmdir	(	struct inode *	dir,
		const char *	name,
		int	len
	)

void ext_statfs	(	struct super_block *	,
		struct statfs *
	)

int ext_symlink	(	struct inode *	inode,
		const char *	name,
		int	len,
		const char *	symname
	)

int ext_sync_file	(	struct inode *	,
		struct file *
	)

int ext_sync_inode

(

struct inode *

)

void ext_truncate

(

struct inode *

)

int ext_unlink	(	struct inode *	dir,
		const char *	name,
		int	len
	)

int ext_write	(	struct inode *	,
		struct file *	,
		char *	,
		int
	)

void ext_write_inode

(

struct inode *

)

void ext_write_super

(

struct super_block *

)

---

Variable Documentation

struct inode_operations ext_dir_inode_operations

struct inode_operations ext_file_inode_operations

struct inode_operations ext_symlink_inode_operations

---