blob: c83f5d9ec125c75a79d8578f261fe07988ad2254 [file] [log] [blame]
Phillip Lougher01e5b4e2010-05-17 19:39:02 +01001/*
2 * Squashfs - a compressed read only filesystem for Linux
3 *
4 * Copyright (c) 2010
Phillip Lougherd7f2ff62011-05-26 10:39:56 +01005 * Phillip Lougher <phillip@squashfs.org.uk>
Phillip Lougher01e5b4e2010-05-17 19:39:02 +01006 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2,
10 * or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *
21 * xattr.h
22 */
23
Phillip Lougher637d5c92010-05-31 18:46:29 +010024#ifdef CONFIG_SQUASHFS_XATTR
Phillip Lougher01e5b4e2010-05-17 19:39:02 +010025extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
26 u64 *, int *);
27extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
Phillip Lougher5f3b3212010-10-25 00:17:24 +010028 unsigned int *, unsigned long long *);
Phillip Lougher01e5b4e2010-05-17 19:39:02 +010029#else
30static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
31 u64 start, u64 *xattr_table_start, int *xattr_ids)
32{
33 ERROR("Xattrs in filesystem, these will be ignored\n");
Phillip Lougher37986f62011-05-24 04:05:22 +010034 *xattr_table_start = start;
Phillip Lougher01e5b4e2010-05-17 19:39:02 +010035 return ERR_PTR(-ENOTSUPP);
36}
37
38static inline int squashfs_xattr_lookup(struct super_block *sb,
Phillip Lougher5f3b3212010-10-25 00:17:24 +010039 unsigned int index, int *count, unsigned int *size,
Stephen Hemmingeraa5b1892010-05-13 16:32:21 -070040 unsigned long long *xattr)
Phillip Lougher01e5b4e2010-05-17 19:39:02 +010041{
42 return 0;
43}
44#define squashfs_listxattr NULL
45#define generic_getxattr NULL
46#define squashfs_xattr_handlers NULL
47#endif