1 /*
2 * Squashfs - a compressed read only filesystem for Linux
3 *
4 * Copyright (c) 2010
5 * Phillip Lougher <phillip@squashfs.org.uk>
6 *
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
24 #ifdef CONFIG_SQUASHFS_XATTR
25 extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
26 u64 *, int *);
27 extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
28 unsigned int *, unsigned long long *);
29 #else
squashfs_read_xattr_id_table(struct super_block * sb,u64 start,u64 * xattr_table_start,int * xattr_ids)30 static 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");
34 *xattr_table_start = start;
35 return ERR_PTR(-ENOTSUPP);
36 }
37
squashfs_xattr_lookup(struct super_block * sb,unsigned int index,int * count,unsigned int * size,unsigned long long * xattr)38 static inline int squashfs_xattr_lookup(struct super_block *sb,
39 unsigned int index, int *count, unsigned int *size,
40 unsigned long long *xattr)
41 {
42 return 0;
43 }
44 #define squashfs_listxattr NULL
45 #define squashfs_xattr_handlers NULL
46 #endif
47
