xattr.h 1.5 KB

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  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. #ifdef CONFIG_SQUASHFS_XATTR
  24. extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
  25. u64 *, int *);
  26. extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
  27. unsigned int *, unsigned long long *);
  28. #else
  29. static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
  30. u64 start, u64 *xattr_table_start, int *xattr_ids)
  31. {
  32. ERROR("Xattrs in filesystem, these will be ignored\n");
  33. *xattr_table_start = start;
  34. return ERR_PTR(-ENOTSUPP);
  35. }
  36. static inline int squashfs_xattr_lookup(struct super_block *sb,
  37. unsigned int index, int *count, unsigned int *size,
  38. unsigned long long *xattr)
  39. {
  40. return 0;
  41. }
  42. #define squashfs_listxattr NULL
  43. #define squashfs_xattr_handlers NULL
  44. #endif