xfs_imap.h 1.4 KB

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  1. /*
  2. * Copyright (c) 2000,2005 Silicon Graphics, Inc.
  3. * All Rights Reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it would be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write the Free Software Foundation,
  16. * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  17. */
  18. #ifndef __XFS_IMAP_H__
  19. #define __XFS_IMAP_H__
  20. /*
  21. * This is the structure passed to xfs_imap() to map
  22. * an inode number to its on disk location.
  23. */
  24. typedef struct xfs_imap {
  25. xfs_daddr_t im_blkno; /* starting BB of inode chunk */
  26. uint im_len; /* length in BBs of inode chunk */
  27. xfs_agblock_t im_agblkno; /* logical block of inode chunk in ag */
  28. ushort im_ioffset; /* inode offset in block in "inodes" */
  29. ushort im_boffset; /* inode offset in block in bytes */
  30. } xfs_imap_t;
  31. #ifdef __KERNEL__
  32. struct xfs_mount;
  33. struct xfs_trans;
  34. int xfs_imap(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
  35. xfs_imap_t *, uint);
  36. #endif
  37. #endif /* __XFS_IMAP_H__ */