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_grow_inode(struct xfs_da_args *args, int space,
  24                                 xfs_dir2_db_t *dbp);
  25 extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
  26                                 const unsigned char *name, int len);
  27
  28 /* xfs_dir2_block.c */
  29 extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
  30                                struct xfs_buf **bpp);
  31 extern int xfs_dir2_block_addname(struct xfs_da_args *args);
  32 extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
  33 extern int xfs_dir2_block_removename(struct xfs_da_args *args);
  34 extern int xfs_dir2_block_replace(struct xfs_da_args *args);
  35 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
  36                 struct xfs_buf *lbp, struct xfs_buf *dbp);
  37
  38 /* xfs_dir2_data.c */
  39 #ifdef DEBUG
  40 #define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
  41 #else
  42 #define xfs_dir3_data_check(dp,bp)
  43 #endif
  44
  45 extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
  46 extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
  47                 xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
  48
  49 extern struct xfs_dir2_data_free *
  50 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
  51                 struct xfs_dir2_data_unused *dup, int *loghead);
  52 extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
  53                 struct xfs_buf **bpp);
  54
  55 /* xfs_dir2_leaf.c */
  56 extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
  57                 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
  58 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
  59                 struct xfs_buf *dbp);
  60 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
  61 extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
  62                 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
  63 extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
  64                 struct xfs_dir2_leaf_entry *ents, int *indexp,
  65                 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
  66 extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
  67                 struct xfs_buf **bpp, __uint16_t magic);
  68 extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp,
  69                 int first, int last);
  70 extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp,
  71                 struct xfs_buf *bp);
  72 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
  73 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
  74 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
  75 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
  76                 struct xfs_buf *lbp);
  77 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
  78                 struct xfs_buf *lbp, xfs_dir2_db_t db);
  79 extern struct xfs_dir2_leaf_entry *
  80 xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
  81                 struct xfs_dir2_leaf_entry *ents, int index, int compact,
  82                 int lowstale, int highstale, int *lfloglow, int *lfloghigh);
  83 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
  84
  85 extern void xfs_dir3_leaf_hdr_from_disk(struct xfs_dir3_icleaf_hdr *to,
  86                 struct xfs_dir2_leaf *from);
  87 extern void xfs_dir3_leaf_hdr_to_disk(struct xfs_dir2_leaf *to,
  88                 struct xfs_dir3_icleaf_hdr *from);
  89 extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp,
  90                 struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf);
  91
  92 /* xfs_dir2_node.c */
  93 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
  94                 struct xfs_buf *lbp);
  95 extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count);
  96 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
  97                 struct xfs_da_args *args, int *indexp,
  98                 struct xfs_da_state *state);
  99 extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp,
 100                 struct xfs_buf *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 extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
 114                 xfs_dablk_t fbno, struct xfs_buf **bpp);
 115
 116 /* xfs_dir2_sf.c */
 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_buf *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_lookup(struct xfs_da_args *args);
 124 extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
 125 extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
 126
 127 #endif /* __XFS_DIR2_PRIV_H__ */