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 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 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