1/*
 2 * linux/fs/ext4/xattr_user.c
 3 * Handler for extended user attributes.
 4 *
 5 * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
 6 */
 7
 8#include <linux/string.h>
 9#include <linux/fs.h>
10#include "ext4_jbd2.h"
11#include "ext4.h"
12#include "xattr.h"
13
14static bool
15ext4_xattr_user_list(struct dentry *dentry)
16{
17	return test_opt(dentry->d_sb, XATTR_USER);
18}
19
20static int
21ext4_xattr_user_get(const struct xattr_handler *handler,
22		    struct dentry *unused, struct inode *inode,
23		    const char *name, void *buffer, size_t size)
24{
25	if (!test_opt(inode->i_sb, XATTR_USER))
26		return -EOPNOTSUPP;
27	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER,
28			      name, buffer, size);
29}
30
31static int
32ext4_xattr_user_set(const struct xattr_handler *handler,
 
33		    struct dentry *unused, struct inode *inode,
34		    const char *name, const void *value,
35		    size_t size, int flags)
36{
37	if (!test_opt(inode->i_sb, XATTR_USER))
38		return -EOPNOTSUPP;
39	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER,
40			      name, value, size, flags);
41}
42
43const struct xattr_handler ext4_xattr_user_handler = {
44	.prefix	= XATTR_USER_PREFIX,
45	.list	= ext4_xattr_user_list,
46	.get	= ext4_xattr_user_get,
47	.set	= ext4_xattr_user_set,
48};

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * linux/fs/ext4/xattr_user.c
 4 * Handler for extended user attributes.
 5 *
 6 * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
 7 */
 8
 9#include <linux/string.h>
10#include <linux/fs.h>
11#include "ext4_jbd2.h"
12#include "ext4.h"
13#include "xattr.h"
14
15static bool
16ext4_xattr_user_list(struct dentry *dentry)
17{
18	return test_opt(dentry->d_sb, XATTR_USER);
19}
20
21static int
22ext4_xattr_user_get(const struct xattr_handler *handler,
23		    struct dentry *unused, struct inode *inode,
24		    const char *name, void *buffer, size_t size)
25{
26	if (!test_opt(inode->i_sb, XATTR_USER))
27		return -EOPNOTSUPP;
28	return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER,
29			      name, buffer, size);
30}
31
32static int
33ext4_xattr_user_set(const struct xattr_handler *handler,
34		    struct user_namespace *mnt_userns,
35		    struct dentry *unused, struct inode *inode,
36		    const char *name, const void *value,
37		    size_t size, int flags)
38{
39	if (!test_opt(inode->i_sb, XATTR_USER))
40		return -EOPNOTSUPP;
41	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER,
42			      name, value, size, flags);
43}
44
45const struct xattr_handler ext4_xattr_user_handler = {
46	.prefix	= XATTR_USER_PREFIX,
47	.list	= ext4_xattr_user_list,
48	.get	= ext4_xattr_user_get,
49	.set	= ext4_xattr_user_set,
50};