efs.h File Reference

#include <linux/fs.h>
#include <asm/uaccess.h>
#include <linux/efs_fs_sb.h>

Go to the source code of this file.

Data Structures
union	extent_u
struct	extent_u::extent_s
struct	edevs
struct	efs_dinode
union	efs_dinode::di_addr
struct	efs_inode_info
struct	efs_dentry
struct	efs_dir

Macros
#define	EFS_VERSION   "1.0a"
#define	EFS_BLOCKSIZE_BITS   9
#define	EFS_BLOCKSIZE   (1 << EFS_BLOCKSIZE_BITS)
#define	EFS_DIRECTEXTENTS   12
#define	EFS_DIRBSIZE_BITS   EFS_BLOCKSIZE_BITS
#define	EFS_DIRBSIZE   (1 << EFS_DIRBSIZE_BITS)
#define	EFS_DENTSIZE   (sizeof(struct efs_dentry) - 3 + 1)
#define	EFS_MAXNAMELEN   ((1 << (sizeof(char) * 8)) - 1)
#define	EFS_DIRBLK_HEADERSIZE   4
#define	EFS_DIRBLK_MAGIC   0xbeef /* moo */
#define	EFS_MAXENTS
#define	EFS_SLOTAT(dir, slot)   EFS_REALOFF((dir)->space[slot])
#define	EFS_REALOFF(offset)   ((offset << 1))

Typedefs
typedef int32_t	efs_block_t
typedef uint32_t	efs_ino_t
typedef union extent_u	efs_extent
typedef struct edevs	efs_devs

Functions
struct inode *	efs_iget (struct super_block *, unsigned long)
efs_block_t	efs_map_block (struct inode *, efs_block_t)
int	efs_get_block (struct inode *, sector_t, struct buffer_head *, int)
struct dentry *	efs_lookup (struct inode *, struct dentry *, unsigned int)
struct dentry *	efs_fh_to_dentry (struct super_block *sb, struct fid *fid, int fh_len, int fh_type)
struct dentry *	efs_fh_to_parent (struct super_block *sb, struct fid *fid, int fh_len, int fh_type)
struct dentry *	efs_get_parent (struct dentry *)
int	efs_bmap (struct inode *, int)

Variables
struct inode_operations	efs_dir_inode_operations
struct file_operations	efs_dir_operations
struct address_space_operations	efs_symlink_aops

Macro Definition Documentation

#define EFS_BLOCKSIZE   (1 << EFS_BLOCKSIZE_BITS)

Definition at line 20 of file efs.h.

#define EFS_BLOCKSIZE_BITS   9

Definition at line 19 of file efs.h.

#define EFS_DENTSIZE   (sizeof(struct efs_dentry) - 3 + 1)

Definition at line 88 of file efs.h.

#define EFS_DIRBLK_HEADERSIZE   4

Definition at line 91 of file efs.h.

#define EFS_DIRBLK_MAGIC   0xbeef /* moo */

Definition at line 92 of file efs.h.

#define EFS_DIRBSIZE   (1 << EFS_DIRBSIZE_BITS)

Definition at line 80 of file efs.h.

#define EFS_DIRBSIZE_BITS   EFS_BLOCKSIZE_BITS

Definition at line 79 of file efs.h.

#define EFS_DIRECTEXTENTS   12

Definition at line 25 of file efs.h.

#define EFS_MAXENTS

Value:

((EFS_DIRBSIZE - EFS_DIRBLK_HEADERSIZE) / \
     (EFS_DENTSIZE + sizeof(char)))

Definition at line 102 of file efs.h.

#define EFS_MAXNAMELEN   ((1 << (sizeof(char) * 8)) - 1)

Definition at line 89 of file efs.h.

#define EFS_REALOFF

(

offset

)

((offset << 1))

Definition at line 108 of file efs.h.

#define EFS_SLOTAT	(		dir,
			slot
	)		EFS_REALOFF((dir)->space[slot])

Definition at line 106 of file efs.h.

#define EFS_VERSION   "1.0a"

Definition at line 13 of file efs.h.

Typedef Documentation

typedef int32_t efs_block_t

Definition at line 22 of file efs.h.

typedef struct edevs efs_devs

typedef union extent_u efs_extent

typedef uint32_t efs_ino_t

Definition at line 23 of file efs.h.

Function Documentation

int efs_bmap	(	struct inode *	,
		int
	)

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

read

Definition at line 92 of file namei.c.

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

read

Definition at line 99 of file namei.c.

int efs_get_block	(	struct inode *	,
		sector_t	,
		struct buffer_head *	,
		int
	)

Definition at line 12 of file file.c.

struct dentry* efs_get_parent ( struct dentry *  )

read

Definition at line 106 of file namei.c.

struct inode* efs_iget ( struct super_block *  , unsigned  long  )

read

Definition at line 47 of file inode.c.

struct dentry* efs_lookup ( struct inode *  , struct dentry *  , unsigned  int  )

read

Definition at line 61 of file namei.c.

efs_block_t efs_map_block	(	struct inode *	,
		efs_block_t
	)

Definition at line 200 of file inode.c.

Variable Documentation

struct inode_operations efs_dir_inode_operations

Definition at line 18 of file dir.c.

struct file_operations efs_dir_operations

Definition at line 12 of file dir.c.

struct address_space_operations efs_symlink_aops

Definition at line 52 of file symlink.c.