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fs
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gfs2
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rgrp.h

rgrp.h 2.1 KB
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  1. /*
    2. 

  2.  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
    3. 

  3.  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
    4. 

  4.  *
    5. 

  5.  * This copyrighted material is made available to anyone wishing to use,
    6. 

  6.  * modify, copy, or redistribute it subject to the terms and conditions
    7. 

  7.  * of the GNU General Public License v.2.
    8. 

  8.  */
    9. 

  9. 

  10. #ifndef __RGRP_DOT_H__
    11. 

  11. #define __RGRP_DOT_H__
    12. 

  12. 

  13. void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd);
    14. 

  14. 

  15. struct gfs2_rgrpd *gfs2_blk2rgrpd(struct gfs2_sbd *sdp, uint64_t blk);
    16. 

  16. struct gfs2_rgrpd *gfs2_rgrpd_get_first(struct gfs2_sbd *sdp);
    17. 

  17. struct gfs2_rgrpd *gfs2_rgrpd_get_next(struct gfs2_rgrpd *rgd);
    18. 

  18. 

  19. void gfs2_clear_rgrpd(struct gfs2_sbd *sdp);
    20. 

  20. int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh);
    21. 

  21. 

  22. int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd);
    23. 

  23. void gfs2_rgrp_bh_hold(struct gfs2_rgrpd *rgd);
    24. 

  24. void gfs2_rgrp_bh_put(struct gfs2_rgrpd *rgd);
    25. 

  25. 

  26. void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd);
    27. 

  27. 

  28. struct gfs2_alloc *gfs2_alloc_get(struct gfs2_inode *ip);
    29. 

  29. void gfs2_alloc_put(struct gfs2_inode *ip);
    30. 

  30. 

  31. int gfs2_inplace_reserve_i(struct gfs2_inode *ip,
    32. 

  32. 			 char *file, unsigned int line);
    33. 

  33. #define gfs2_inplace_reserve(ip) \
    34. 

  34. gfs2_inplace_reserve_i((ip), __FILE__, __LINE__)
    35. 

  35. 

  36. void gfs2_inplace_release(struct gfs2_inode *ip);
    37. 

  37. 

  38. unsigned char gfs2_get_block_type(struct gfs2_rgrpd *rgd, uint64_t block);
    39. 

  39. 

  40. u64 gfs2_alloc_data(struct gfs2_inode *ip);
    41. 

  41. u64 gfs2_alloc_meta(struct gfs2_inode *ip);
    42. 

  42. u64 gfs2_alloc_di(struct gfs2_inode *ip, u64 *generation);
    43. 

  43. 

  44. void gfs2_free_data(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen);
    45. 

  45. void gfs2_free_meta(struct gfs2_inode *ip, uint64_t bstart, uint32_t blen);
    46. 

  46. void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
    47. 

  47. void gfs2_unlink_di(struct inode *inode);
    48. 

  48. 

  49. struct gfs2_rgrp_list {
    50. 

  50. 	unsigned int rl_rgrps;
    51. 

  51. 	unsigned int rl_space;
    52. 

  52. 	struct gfs2_rgrpd **rl_rgd;
    53. 

  53. 	struct gfs2_holder *rl_ghs;
    54. 

  54. };
    55. 

  55. 

  56. void gfs2_rlist_add(struct gfs2_sbd *sdp, struct gfs2_rgrp_list *rlist,
    57. 

  57. 		    uint64_t block);
    58. 

  58. void gfs2_rlist_alloc(struct gfs2_rgrp_list *rlist, unsigned int state,
    59. 

  59. 		      int flags);
    60. 

  60. void gfs2_rlist_free(struct gfs2_rgrp_list *rlist);
    61. 

  61. 

  62. #endif /* __RGRP_DOT_H__ */
    63.