1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * linux/fs/ext4/xattr_hurd.c |
4 | * Handler for extended gnu attributes for the Hurd. |
5 | * |
6 | * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> |
7 | * Copyright (C) 2020 by Jan (janneke) Nieuwenhuizen, <janneke@gnu.org> |
8 | */ |
9 | |
10 | #include <linux/init.h> |
11 | #include <linux/string.h> |
12 | #include "ext4.h" |
13 | #include "xattr.h" |
14 | |
15 | static bool |
16 | ext4_xattr_hurd_list(struct dentry *dentry) |
17 | { |
18 | return test_opt(dentry->d_sb, XATTR_USER); |
19 | } |
20 | |
21 | static int |
22 | ext4_xattr_hurd_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 | |
29 | return ext4_xattr_get(inode, EXT4_XATTR_INDEX_HURD, |
30 | name, buffer, size); |
31 | } |
32 | |
33 | static int |
34 | ext4_xattr_hurd_set(const struct xattr_handler *handler, |
35 | struct mnt_idmap *idmap, |
36 | struct dentry *unused, struct inode *inode, |
37 | const char *name, const void *value, |
38 | size_t size, int flags) |
39 | { |
40 | if (!test_opt(inode->i_sb, XATTR_USER)) |
41 | return -EOPNOTSUPP; |
42 | |
43 | return ext4_xattr_set(inode, EXT4_XATTR_INDEX_HURD, |
44 | name, value, size, flags); |
45 | } |
46 | |
47 | const struct xattr_handler ext4_xattr_hurd_handler = { |
48 | .prefix = XATTR_HURD_PREFIX, |
49 | .list = ext4_xattr_hurd_list, |
50 | .get = ext4_xattr_hurd_get, |
51 | .set = ext4_xattr_hurd_set, |
52 | }; |
53 | |