2 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
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.
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.
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
18 #ifndef __XFS_DIR2_PRIV_H__
19 #define __XFS_DIR2_PRIV_H__
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
,
27 extern int xfs_dir2_shrink_inode(struct xfs_da_args
*args
, xfs_dir2_db_t db
,
29 extern int xfs_dir_cilookup_result(struct xfs_da_args
*args
,
30 const unsigned char *name
, int len
);
32 /* xfs_dir2_block.c */
33 extern const struct xfs_buf_ops xfs_dir2_block_buf_ops
;
35 extern int xfs_dir2_block_addname(struct xfs_da_args
*args
);
36 extern int xfs_dir2_block_getdents(struct xfs_inode
*dp
, void *dirent
,
37 xfs_off_t
*offset
, filldir_t filldir
);
38 extern int xfs_dir2_block_lookup(struct xfs_da_args
*args
);
39 extern int xfs_dir2_block_removename(struct xfs_da_args
*args
);
40 extern int xfs_dir2_block_replace(struct xfs_da_args
*args
);
41 extern int xfs_dir2_leaf_to_block(struct xfs_da_args
*args
,
42 struct xfs_buf
*lbp
, struct xfs_buf
*dbp
);
46 #define xfs_dir2_data_check(dp,bp) __xfs_dir2_data_check(dp, bp);
48 #define xfs_dir2_data_check(dp,bp)
51 extern const struct xfs_buf_ops xfs_dir2_data_buf_ops
;
53 extern int __xfs_dir2_data_check(struct xfs_inode
*dp
, struct xfs_buf
*bp
);
54 extern int xfs_dir2_data_read(struct xfs_trans
*tp
, struct xfs_inode
*dp
,
55 xfs_dablk_t bno
, xfs_daddr_t mapped_bno
, struct xfs_buf
**bpp
);
56 extern int xfs_dir2_data_readahead(struct xfs_trans
*tp
, struct xfs_inode
*dp
,
57 xfs_dablk_t bno
, xfs_daddr_t mapped_bno
);
59 extern struct xfs_dir2_data_free
*
60 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr
*hdr
,
61 struct xfs_dir2_data_unused
*dup
, int *loghead
);
62 extern void xfs_dir2_data_freescan(struct xfs_mount
*mp
,
63 struct xfs_dir2_data_hdr
*hdr
, int *loghead
);
64 extern int xfs_dir2_data_init(struct xfs_da_args
*args
, xfs_dir2_db_t blkno
,
65 struct xfs_buf
**bpp
);
66 extern void xfs_dir2_data_log_entry(struct xfs_trans
*tp
, struct xfs_buf
*bp
,
67 struct xfs_dir2_data_entry
*dep
);
68 extern void xfs_dir2_data_log_header(struct xfs_trans
*tp
,
70 extern void xfs_dir2_data_log_unused(struct xfs_trans
*tp
, struct xfs_buf
*bp
,
71 struct xfs_dir2_data_unused
*dup
);
72 extern void xfs_dir2_data_make_free(struct xfs_trans
*tp
, struct xfs_buf
*bp
,
73 xfs_dir2_data_aoff_t offset
, xfs_dir2_data_aoff_t len
,
74 int *needlogp
, int *needscanp
);
75 extern void xfs_dir2_data_use_free(struct xfs_trans
*tp
, struct xfs_buf
*bp
,
76 struct xfs_dir2_data_unused
*dup
, xfs_dir2_data_aoff_t offset
,
77 xfs_dir2_data_aoff_t len
, int *needlogp
, int *needscanp
);
80 extern const struct xfs_buf_ops xfs_dir2_leafn_buf_ops
;
82 extern int xfs_dir2_leafn_read(struct xfs_trans
*tp
, struct xfs_inode
*dp
,
83 xfs_dablk_t fbno
, xfs_daddr_t mappedbno
, struct xfs_buf
**bpp
);
84 extern int xfs_dir2_block_to_leaf(struct xfs_da_args
*args
,
86 extern int xfs_dir2_leaf_addname(struct xfs_da_args
*args
);
87 extern void xfs_dir2_leaf_compact(struct xfs_da_args
*args
,
89 extern void xfs_dir2_leaf_compact_x1(struct xfs_buf
*bp
, int *indexp
,
90 int *lowstalep
, int *highstalep
, int *lowlogp
, int *highlogp
);
91 extern int xfs_dir2_leaf_getdents(struct xfs_inode
*dp
, void *dirent
,
92 size_t bufsize
, xfs_off_t
*offset
, filldir_t filldir
);
93 extern int xfs_dir2_leaf_init(struct xfs_da_args
*args
, xfs_dir2_db_t bno
,
94 struct xfs_buf
**bpp
, int magic
);
95 extern void xfs_dir2_leaf_log_ents(struct xfs_trans
*tp
, struct xfs_buf
*bp
,
97 extern void xfs_dir2_leaf_log_header(struct xfs_trans
*tp
,
99 extern int xfs_dir2_leaf_lookup(struct xfs_da_args
*args
);
100 extern int xfs_dir2_leaf_removename(struct xfs_da_args
*args
);
101 extern int xfs_dir2_leaf_replace(struct xfs_da_args
*args
);
102 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args
*args
,
103 struct xfs_buf
*lbp
);
104 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args
*args
,
105 struct xfs_buf
*lbp
, xfs_dir2_db_t db
);
106 extern struct xfs_dir2_leaf_entry
*
107 xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf
*leaf
, int index
, int compact
,
108 int lowstale
, int highstale
,
109 int *lfloglow
, int *lfloghigh
);
110 extern int xfs_dir2_node_to_leaf(struct xfs_da_state
*state
);
112 /* xfs_dir2_node.c */
113 extern int xfs_dir2_leaf_to_node(struct xfs_da_args
*args
,
114 struct xfs_buf
*lbp
);
115 extern xfs_dahash_t
xfs_dir2_leafn_lasthash(struct xfs_buf
*bp
, int *count
);
116 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf
*bp
,
117 struct xfs_da_args
*args
, int *indexp
,
118 struct xfs_da_state
*state
);
119 extern int xfs_dir2_leafn_order(struct xfs_buf
*leaf1_bp
,
120 struct xfs_buf
*leaf2_bp
);
121 extern int xfs_dir2_leafn_split(struct xfs_da_state
*state
,
122 struct xfs_da_state_blk
*oldblk
, struct xfs_da_state_blk
*newblk
);
123 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state
*state
, int *action
);
124 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state
*state
,
125 struct xfs_da_state_blk
*drop_blk
,
126 struct xfs_da_state_blk
*save_blk
);
127 extern int xfs_dir2_node_addname(struct xfs_da_args
*args
);
128 extern int xfs_dir2_node_lookup(struct xfs_da_args
*args
);
129 extern int xfs_dir2_node_removename(struct xfs_da_args
*args
);
130 extern int xfs_dir2_node_replace(struct xfs_da_args
*args
);
131 extern int xfs_dir2_node_trim_free(struct xfs_da_args
*args
, xfs_fileoff_t fo
,
133 extern int xfs_dir2_free_read(struct xfs_trans
*tp
, struct xfs_inode
*dp
,
134 xfs_dablk_t fbno
, struct xfs_buf
**bpp
);
137 extern xfs_ino_t
xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr
*sfp
);
138 extern xfs_ino_t
xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr
*sfp
,
139 struct xfs_dir2_sf_entry
*sfep
);
140 extern int xfs_dir2_block_sfsize(struct xfs_inode
*dp
,
141 struct xfs_dir2_data_hdr
*block
, struct xfs_dir2_sf_hdr
*sfhp
);
142 extern int xfs_dir2_block_to_sf(struct xfs_da_args
*args
, struct xfs_buf
*bp
,
143 int size
, xfs_dir2_sf_hdr_t
*sfhp
);
144 extern int xfs_dir2_sf_addname(struct xfs_da_args
*args
);
145 extern int xfs_dir2_sf_create(struct xfs_da_args
*args
, xfs_ino_t pino
);
146 extern int xfs_dir2_sf_getdents(struct xfs_inode
*dp
, void *dirent
,
147 xfs_off_t
*offset
, filldir_t filldir
);
148 extern int xfs_dir2_sf_lookup(struct xfs_da_args
*args
);
149 extern int xfs_dir2_sf_removename(struct xfs_da_args
*args
);
150 extern int xfs_dir2_sf_replace(struct xfs_da_args
*args
);
152 #endif /* __XFS_DIR2_PRIV_H__ */