xfs_dir2_priv.h 6.3 KB

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  1. /*
  2. * Copyright (c) 2000-2001,2005 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_DIR2_PRIV_H__
  19. #define __XFS_DIR2_PRIV_H__
  20. /* xfs_dir2.c */
  21. extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
  22. extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
  23. extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
  24. extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
  25. xfs_dir2_db_t *dbp);
  26. extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
  27. struct xfs_dabuf *bp);
  28. extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
  29. const unsigned char *name, int len);
  30. /* xfs_dir2_block.c */
  31. extern int xfs_dir2_block_addname(struct xfs_da_args *args);
  32. extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
  33. xfs_off_t *offset, filldir_t filldir);
  34. extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
  35. extern int xfs_dir2_block_removename(struct xfs_da_args *args);
  36. extern int xfs_dir2_block_replace(struct xfs_da_args *args);
  37. extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
  38. struct xfs_dabuf *lbp, struct xfs_dabuf *dbp);
  39. /* xfs_dir2_data.c */
  40. #ifdef DEBUG
  41. extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp);
  42. #else
  43. #define xfs_dir2_data_check(dp,bp)
  44. #endif
  45. extern struct xfs_dir2_data_free *
  46. xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
  47. struct xfs_dir2_data_unused *dup, int *loghead);
  48. extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
  49. struct xfs_dir2_data_hdr *hdr, int *loghead);
  50. extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
  51. struct xfs_dabuf **bpp);
  52. extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp,
  53. struct xfs_dir2_data_entry *dep);
  54. extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
  55. struct xfs_dabuf *bp);
  56. extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp,
  57. struct xfs_dir2_data_unused *dup);
  58. extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
  59. xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
  60. int *needlogp, int *needscanp);
  61. extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
  62. struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset,
  63. xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
  64. /* xfs_dir2_leaf.c */
  65. extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
  66. struct xfs_dabuf *dbp);
  67. extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
  68. extern void xfs_dir2_leaf_compact(struct xfs_da_args *args,
  69. struct xfs_dabuf *bp);
  70. extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp,
  71. int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
  72. extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
  73. size_t bufsize, xfs_off_t *offset, filldir_t filldir);
  74. extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno,
  75. struct xfs_dabuf **bpp, int magic);
  76. extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp,
  77. int first, int last);
  78. extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
  79. struct xfs_dabuf *bp);
  80. extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
  81. extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
  82. extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
  83. extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
  84. struct xfs_dabuf *lbp);
  85. extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
  86. struct xfs_dabuf *lbp, xfs_dir2_db_t db);
  87. extern struct xfs_dir2_leaf_entry *
  88. xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact,
  89. int lowstale, int highstale,
  90. int *lfloglow, int *lfloghigh);
  91. extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
  92. /* xfs_dir2_node.c */
  93. extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
  94. struct xfs_dabuf *lbp);
  95. extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count);
  96. extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp,
  97. struct xfs_da_args *args, int *indexp,
  98. struct xfs_da_state *state);
  99. extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp,
  100. struct xfs_dabuf *leaf2_bp);
  101. extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
  102. struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
  103. extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
  104. extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
  105. struct xfs_da_state_blk *drop_blk,
  106. struct xfs_da_state_blk *save_blk);
  107. extern int xfs_dir2_node_addname(struct xfs_da_args *args);
  108. extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
  109. extern int xfs_dir2_node_removename(struct xfs_da_args *args);
  110. extern int xfs_dir2_node_replace(struct xfs_da_args *args);
  111. extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
  112. int *rvalp);
  113. /* xfs_dir2_sf.c */
  114. extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
  115. extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
  116. struct xfs_dir2_sf_entry *sfep);
  117. extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
  118. struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
  119. extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp,
  120. int size, xfs_dir2_sf_hdr_t *sfhp);
  121. extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
  122. extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
  123. extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
  124. xfs_off_t *offset, filldir_t filldir);
  125. extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
  126. extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
  127. extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
  128. #endif /* __XFS_DIR2_PRIV_H__ */