48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
|
|
* linux/fs/ext2/xattr_user.c
|
|
* Handler for extended user attributes.
|
|
*
|
|
* Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/string.h>
|
|
#include "ext2.h"
|
|
#include "xattr.h"
|
|
|
|
static bool
|
|
ext2_xattr_user_list(struct dentry *dentry)
|
|
{
|
|
return test_opt(dentry->d_sb, XATTR_USER);
|
|
}
|
|
|
|
static int
|
|
ext2_xattr_user_get(const struct xattr_handler *handler,
|
|
struct dentry *dentry, const char *name,
|
|
void *buffer, size_t size)
|
|
{
|
|
if (!test_opt(dentry->d_sb, XATTR_USER))
|
|
return -EOPNOTSUPP;
|
|
return ext2_xattr_get(d_inode(dentry), EXT2_XATTR_INDEX_USER,
|
|
name, buffer, size);
|
|
}
|
|
|
|
static int
|
|
ext2_xattr_user_set(const struct xattr_handler *handler,
|
|
struct dentry *dentry, const char *name,
|
|
const void *value, size_t size, int flags)
|
|
{
|
|
if (!test_opt(dentry->d_sb, XATTR_USER))
|
|
return -EOPNOTSUPP;
|
|
|
|
return ext2_xattr_set(d_inode(dentry), EXT2_XATTR_INDEX_USER,
|
|
name, value, size, flags);
|
|
}
|
|
|
|
const struct xattr_handler ext2_xattr_user_handler = {
|
|
.prefix = XATTR_USER_PREFIX,
|
|
.list = ext2_xattr_user_list,
|
|
.get = ext2_xattr_user_get,
|
|
.set = ext2_xattr_user_set,
|
|
};
|