tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/fs/ext2/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/init.h>
9#include <linux/string.h>
10#include "ext2.h"
11#include "xattr.h"
12
13static bool
14ext2_xattr_user_list(struct dentry *dentry)
15{
16 return test_opt(dentry->d_sb, XATTR_USER);
17}
18
19static int
20ext2_xattr_user_get(const struct xattr_handler *handler,
21 struct dentry *dentry, const char *name,
22 void *buffer, size_t size)
23{
24 if (!test_opt(dentry->d_sb, XATTR_USER))
25 return -EOPNOTSUPP;
26 return ext2_xattr_get(d_inode(dentry), EXT2_XATTR_INDEX_USER,
27 name, buffer, size);
28}
29
30static int
31ext2_xattr_user_set(const struct xattr_handler *handler,
32 struct dentry *dentry, const char *name,
33 const void *value, size_t size, int flags)
34{
35 if (!test_opt(dentry->d_sb, XATTR_USER))
36 return -EOPNOTSUPP;
37
38 return ext2_xattr_set(d_inode(dentry), EXT2_XATTR_INDEX_USER,
39 name, value, size, flags);
40}
41
42const struct xattr_handler ext2_xattr_user_handler = {
43 .prefix = XATTR_USER_PREFIX,
44 .list = ext2_xattr_user_list,
45 .get = ext2_xattr_user_get,
46 .set = ext2_xattr_user_set,
47};