release/src-rt-6.x.4708/linux/linux-2.6.36/fs/squashfs/xattr.h

   1 /* Modified by Broadcom Corp. Portions Copyright (c) Broadcom Corp, 2012. */
   2 /*
   3  * Squashfs - a compressed read only filesystem for Linux
   4  *
   5  * Copyright (c) 2010
   6  * Phillip Lougher <phillip@lougher.demon.co.uk>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2,
  11  * or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  *
  22  * xattr.h
  23  */
  24
  25 #ifdef CONFIG_SQUASHFS_XATTR
  26 extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
  27                 u64 *, int *);
  28 extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
  29                 unsigned int *, unsigned long long *);
  30 #else
  31 static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
  32                 u64 start, u64 *xattr_table_start, int *xattr_ids)
  33 {
  34         ERROR("Xattrs in filesystem, these will be ignored\n");
  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 generic_getxattr NULL
  46 #define squashfs_xattr_handlers NULL
  47 #endif