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xfs_dir2_priv.h
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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 
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_buf *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_buf *lbp, struct xfs_buf *dbp);
41 
42 /* xfs_dir2_data.c */
43 #ifdef DEBUG
44 extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
45 #else
46 #define xfs_dir2_data_check(dp,bp)
47 #endif
48 extern struct xfs_dir2_data_free *
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_buf **bpp);
55 extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp,
56  struct xfs_dir2_data_entry *dep);
57 extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
58  struct xfs_buf *bp);
59 extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
60  struct xfs_dir2_data_unused *dup);
61 extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp,
63  int *needlogp, int *needscanp);
64 extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp,
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_buf *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_buf *bp);
74 extern void xfs_dir2_leaf_compact_x1(struct xfs_buf *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_buf **bpp, int magic);
80 extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp,
81  int first, int last);
82 extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
83  struct xfs_buf *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_buf *lbp);
89 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
90  struct xfs_buf *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_buf *lbp);
100 extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count);
101 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
102  struct xfs_da_args *args, int *indexp,
103  struct xfs_da_state *state);
104 extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp,
105  struct xfs_buf *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_buf *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__ */