dat.h 2.3 KB

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  1. /*
  2. * dat.h - NILFS disk address translation.
  3. *
  4. * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19. *
  20. * Written by Koji Sato <koji@osrg.net>.
  21. */
  22. #ifndef _NILFS_DAT_H
  23. #define _NILFS_DAT_H
  24. #include <linux/types.h>
  25. #include <linux/buffer_head.h>
  26. #include <linux/fs.h>
  27. struct nilfs_palloc_req;
  28. int nilfs_dat_translate(struct inode *, __u64, sector_t *);
  29. int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
  30. void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
  31. void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
  32. int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
  33. void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
  34. sector_t);
  35. int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
  36. void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
  37. void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
  38. int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
  39. struct nilfs_palloc_req *);
  40. void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
  41. struct nilfs_palloc_req *, int);
  42. void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
  43. struct nilfs_palloc_req *);
  44. int nilfs_dat_mark_dirty(struct inode *, __u64);
  45. int nilfs_dat_freev(struct inode *, __u64 *, size_t);
  46. int nilfs_dat_move(struct inode *, __u64, sector_t);
  47. ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned, size_t);
  48. int nilfs_dat_read(struct super_block *sb, size_t entry_size,
  49. struct nilfs_inode *raw_inode, struct inode **inodep);
  50. #endif /* _NILFS_DAT_H */