xattr.c File Reference

#include <linux/init.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/mbcache.h>
#include <linux/quotaops.h>
#include <linux/rwsem.h>
#include "ext4_jbd2.h"
#include "ext4.h"
#include "xattr.h"
#include "acl.h"

Go to the source code of this file.

Data Structures
struct	ext4_xattr_info
struct	ext4_xattr_search
struct	ext4_xattr_block_find
struct	ext4_xattr_ibody_find

Macros
#define	BHDR(bh)   ((struct ext4_xattr_header *)((bh)->b_data))
#define	ENTRY(ptr)   ((struct ext4_xattr_entry *)(ptr))
#define	BFIRST(bh)   ENTRY(BHDR(bh)+1)
#define	IS_LAST_ENTRY(entry)   (*(__u32 *)(entry) == 0)
#define	ea_idebug(inode, fmt,...)   no_printk(fmt, ##__VA_ARGS__)
#define	ea_bdebug(bh, fmt,...)   no_printk(fmt, ##__VA_ARGS__)
#define	header(x)   ((struct ext4_xattr_header *)(x))
#define	NAME_HASH_SHIFT   5
#define	VALUE_HASH_SHIFT   16
#define	BLOCK_HASH_SHIFT   16

Functions
ssize_t	ext4_listxattr (struct dentry *dentry, char *buffer, size_t size)
int	ext4_xattr_get (struct inode *inode, int name_index, const char *name, void *buffer, size_t buffer_size)
int	ext4_xattr_set_handle (handle_t *handle, struct inode *inode, int name_index, const char *name, const void *value, size_t value_len, int flags)
int	ext4_xattr_set (struct inode *inode, int name_index, const char *name, const void *value, size_t value_len, int flags)
int	ext4_expand_extra_isize_ea (struct inode *inode, int new_extra_isize, struct ext4_inode *raw_inode, handle_t *handle)
void	ext4_xattr_delete_inode (handle_t *handle, struct inode *inode)
void	ext4_xattr_put_super (struct super_block *sb)
int __init	ext4_init_xattr (void)
void	ext4_exit_xattr (void)

Variables
struct xattr_handler *	ext4_xattr_handlers []

Macro Definition Documentation

#define BFIRST

(

bh

)

ENTRY(BHDR(bh)+1)

Definition at line 66 of file xattr.c.

#define BHDR

(

bh

)

((struct ext4_xattr_header *)((bh)->b_data))

Definition at line 64 of file xattr.c.

#define BLOCK_HASH_SHIFT   16

Definition at line 1621 of file xattr.c.

#define ea_bdebug	(		bh,
			fmt,
			...
	)		no_printk(fmt, ##__VA_ARGS__)

Definition at line 86 of file xattr.c.

#define ea_idebug	(		inode,
			fmt,
			...
	)		no_printk(fmt, ##__VA_ARGS__)

Definition at line 85 of file xattr.c.

#define ENTRY

(

ptr

)

((struct ext4_xattr_entry *)(ptr))

Definition at line 65 of file xattr.c.

#define header

(

x

)

((struct ext4_xattr_header *)(x))

#define IS_LAST_ENTRY

(

entry

)

(*(__u32 *)(entry) == 0)

Definition at line 67 of file xattr.c.

#define NAME_HASH_SHIFT   5

Definition at line 1584 of file xattr.c.

#define VALUE_HASH_SHIFT   16

Definition at line 1585 of file xattr.c.

Function Documentation

void ext4_exit_xattr

(

void

)

Definition at line 1662 of file xattr.c.

int ext4_expand_extra_isize_ea	(	struct inode *	inode,
		int	new_extra_isize,
		struct ext4_inode *	raw_inode,
		handle_t *	handle
	)

Definition at line 1197 of file xattr.c.

int __init ext4_init_xattr

(

void

)

Definition at line 1653 of file xattr.c.

ssize_t ext4_listxattr	(	struct dentry *	dentry,
		char *	buffer,
		size_t	size
	)

Definition at line 190 of file xattr.c.

void ext4_xattr_delete_inode	(	handle_t *	handle,
		struct inode *	inode
	)

Definition at line 1426 of file xattr.c.

int ext4_xattr_get	(	struct inode *	inode,
		int	name_index,
		const char *	name,
		void *	buffer,
		size_t	buffer_size
	)

Definition at line 369 of file xattr.c.

void ext4_xattr_put_super

(

struct super_block *

sb

)

Definition at line 1457 of file xattr.c.

int ext4_xattr_set	(	struct inode *	inode,
		int	name_index,
		const char *	name,
		const void *	value,
		size_t	value_len,
		int	flags
	)

Definition at line 1142 of file xattr.c.

int ext4_xattr_set_handle	(	handle_t *	handle,
		struct inode *	inode,
		int	name_index,
		const char *	name,
		const void *	value,
		size_t	value_len,
		int	flags
	)

Definition at line 1026 of file xattr.c.

Variable Documentation

struct xattr_handler* ext4_xattr_handlers[]

Initial value:

= {
    &ext4_xattr_user_handler,
    &ext4_xattr_trusted_handler,







    NULL
}

Definition at line 112 of file xattr.c.