Commit | Line | Data |
---|---|---|
ac27a0ec | 1 | /* |
617ba13b | 2 | * linux/fs/ext4/xattr_user.c |
ac27a0ec DK |
3 | * Handler for extended user attributes. |
4 | * | |
5 | * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> | |
6 | */ | |
7 | ||
ac27a0ec DK |
8 | #include <linux/string.h> |
9 | #include <linux/fs.h> | |
3dcf5451 CH |
10 | #include "ext4_jbd2.h" |
11 | #include "ext4.h" | |
ac27a0ec DK |
12 | #include "xattr.h" |
13 | ||
764a5c6b AG |
14 | static bool |
15 | ext4_xattr_user_list(struct dentry *dentry) | |
ac27a0ec | 16 | { |
764a5c6b | 17 | return test_opt(dentry->d_sb, XATTR_USER); |
ac27a0ec DK |
18 | } |
19 | ||
20 | static int | |
d9a82a04 | 21 | ext4_xattr_user_get(const struct xattr_handler *handler, |
b296821a AV |
22 | struct dentry *unused, struct inode *inode, |
23 | const char *name, void *buffer, size_t size) | |
ac27a0ec | 24 | { |
b296821a | 25 | if (!test_opt(inode->i_sb, XATTR_USER)) |
ac27a0ec | 26 | return -EOPNOTSUPP; |
b296821a | 27 | return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER, |
431547b3 | 28 | name, buffer, size); |
ac27a0ec DK |
29 | } |
30 | ||
31 | static int | |
d9a82a04 | 32 | ext4_xattr_user_set(const struct xattr_handler *handler, |
59301226 AV |
33 | struct dentry *unused, struct inode *inode, |
34 | const char *name, const void *value, | |
35 | size_t size, int flags) | |
ac27a0ec | 36 | { |
59301226 | 37 | if (!test_opt(inode->i_sb, XATTR_USER)) |
ac27a0ec | 38 | return -EOPNOTSUPP; |
59301226 | 39 | return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER, |
431547b3 | 40 | name, value, size, flags); |
ac27a0ec DK |
41 | } |
42 | ||
11e27528 | 43 | const struct xattr_handler ext4_xattr_user_handler = { |
ac27a0ec | 44 | .prefix = XATTR_USER_PREFIX, |
617ba13b MC |
45 | .list = ext4_xattr_user_list, |
46 | .get = ext4_xattr_user_get, | |
47 | .set = ext4_xattr_user_set, | |
ac27a0ec | 48 | }; |