jfs_extent.h 1.3 KB

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  1. /*
  2. * Copyright (C) International Business Machines Corp., 2000-2001
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
  12. * the 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 to the Free Software
  16. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17. */
  18. #ifndef _H_JFS_EXTENT
  19. #define _H_JFS_EXTENT
  20. /* get block allocation allocation hint as location of disk inode */
  21. #define INOHINT(ip) \
  22. (addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)
  23. extern int extAlloc(struct inode *, s64, s64, xad_t *, bool);
  24. extern int extFill(struct inode *, xad_t *);
  25. extern int extHint(struct inode *, s64, xad_t *);
  26. extern int extRealloc(struct inode *, s64, xad_t *, bool);
  27. extern int extRecord(struct inode *, xad_t *);
  28. #endif /* _H_JFS_EXTENT */