fs/xfs/xfs_dir2_priv.h

   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
  21 /* xfs_dir2.c */
  22 extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
  23 extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
  24 extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
  25 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
  26                                 xfs_dir2_db_t *dbp);
  27 extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
  28                                 struct xfs_dabuf *bp);
  29 extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
  30                                 const unsigned char *name, int len);
  31
  32 /* xfs_dir2_block.c */
  33 extern int xfs_dir2_block_addname(struct xfs_da_args *args);
  34 extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
  35                 xfs_off_t *offset, filldir_t filldir);
  36 extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
  37 extern int xfs_dir2_block_removename(struct xfs_da_args *args);
  38 extern int xfs_dir2_block_replace(struct xfs_da_args *args);
  39 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
  40                 struct xfs_dabuf *lbp, struct xfs_dabuf *dbp);
  41
  42 /* xfs_dir2_data.c */
  43 #ifdef DEBUG
  44 extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp);
  45 #else
  46 #define xfs_dir2_data_check(dp,bp)
  47 #endif
  48 extern struct xfs_dir2_data_free *
  49 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
  50                 struct xfs_dir2_data_unused *dup, int *loghead);
  51 extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
  52                 struct xfs_dir2_data_hdr *hdr, int *loghead);
  53 extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
  54                 struct xfs_dabuf **bpp);
  55 extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp,
  56                 struct xfs_dir2_data_entry *dep);
  57 extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
  58                 struct xfs_dabuf *bp);
  59 extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp,
  60                 struct xfs_dir2_data_unused *dup);
  61 extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
  62                 xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
  63                 int *needlogp, int *needscanp);
  64 extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp,
  65                 struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset,
  66                 xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
  67
  68 /* xfs_dir2_leaf.c */
  69 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
  70                 struct xfs_dabuf *dbp);
  71 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
  72 extern void xfs_dir2_leaf_compact(struct xfs_da_args *args,
  73                 struct xfs_dabuf *bp);
  74 extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp,
  75                 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
  76 extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
  77                 size_t bufsize, xfs_off_t *offset, filldir_t filldir);
  78 extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno,
  79                 struct xfs_dabuf **bpp, int magic);
  80 extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp,
  81                 int first, int last);
  82 extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
  83                 struct xfs_dabuf *bp);
  84 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
  85 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
  86 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
  87 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
  88                 struct xfs_dabuf *lbp);
  89 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
  90                 struct xfs_dabuf *lbp, xfs_dir2_db_t db);
  91 extern struct xfs_dir2_leaf_entry *
  92 xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact,
  93                 int lowstale, int highstale,
  94                 int *lfloglow, int *lfloghigh);
  95 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
  96
  97 /* xfs_dir2_node.c */
  98 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
  99                 struct xfs_dabuf *lbp);
 100 extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count);
 101 extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp,
 102                 struct xfs_da_args *args, int *indexp,
 103                 struct xfs_da_state *state);
 104 extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp,
 105                 struct xfs_dabuf *leaf2_bp);
 106 extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
 107         struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
 108 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
 109 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
 110                 struct xfs_da_state_blk *drop_blk,
 111                 struct xfs_da_state_blk *save_blk);
 112 extern int xfs_dir2_node_addname(struct xfs_da_args *args);
 113 extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
 114 extern int xfs_dir2_node_removename(struct xfs_da_args *args);
 115 extern int xfs_dir2_node_replace(struct xfs_da_args *args);
 116 extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
 117                 int *rvalp);
 118
 119 /* xfs_dir2_sf.c */
 120 extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
 121 extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
 122                 struct xfs_dir2_sf_entry *sfep);
 123 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
 124                 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
 125 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp,
 126                 int size, xfs_dir2_sf_hdr_t *sfhp);
 127 extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
 128 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
 129 extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
 130                 xfs_off_t *offset, filldir_t filldir);
 131 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
 132 extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
 133 extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
 134
 135 #endif /* __XFS_DIR2_PRIV_H__ */