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fs
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nilfs2
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dat.h

dat.h 2.2 KB
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  1. /*
    2. 

  2.  * dat.h - NILFS disk address translation.
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
    5. 

  5.  *
    6. 

  6.  * This program is free software; you can redistribute it and/or modify
    7. 

  7.  * it under the terms of the GNU General Public License as published by
    8. 

  8.  * the Free Software Foundation; either version 2 of the License, or
    9. 

  9.  * (at your option) any later version.
    10. 

  10.  *
    11. 

  11.  * This program is distributed in the hope that it will be useful,
    12. 

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14. 

  14.  * GNU General Public License for more details.
    15. 

  15.  *
    16. 

  16.  * Written by Koji Sato.
    17. 

  17.  */
    18. 

  18. 

  19. #ifndef _NILFS_DAT_H
    20. 

  20. #define _NILFS_DAT_H
    21. 

  21. 

  22. #include <linux/types.h>
    23. 

  23. #include <linux/buffer_head.h>
    24. 

  24. #include <linux/fs.h>
    25. 

  25. #include <linux/nilfs2_ondisk.h>	/* nilfs_inode, nilfs_checkpoint */
    26. 

  26. 

  27. 

  28. struct nilfs_palloc_req;
    29. 

  29. 

  30. int nilfs_dat_translate(struct inode *, __u64, sector_t *);
    31. 

  31. 

  32. int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
    33. 

  33. void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
    34. 

  34. void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
    35. 

  35. int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
    36. 

  36. void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
    37. 

  37. 			    sector_t);
    38. 

  38. int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
    39. 

  39. void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
    40. 

  40. void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
    41. 

  41. int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
    42. 

  42. 			     struct nilfs_palloc_req *);
    43. 

  43. void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
    44. 

  44. 			     struct nilfs_palloc_req *, int);
    45. 

  45. void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
    46. 

  46. 			    struct nilfs_palloc_req *);
    47. 

  47. 

  48. int nilfs_dat_mark_dirty(struct inode *, __u64);
    49. 

  49. int nilfs_dat_freev(struct inode *, __u64 *, size_t);
    50. 

  50. int nilfs_dat_move(struct inode *, __u64, sector_t);
    51. 

  51. ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned int, size_t);
    52. 

  52. 

  53. int nilfs_dat_read(struct super_block *sb, size_t entry_size,
    54. 

  54. 		   struct nilfs_inode *raw_inode, struct inode **inodep);
    55. 

  55. 

  56. #endif	/* _NILFS_DAT_H */
    57.