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gerrit-public.fairphone.software / kernel / msm-4.9 / 22c5649eef0fc37532e20c14d2656b28ca708a69 / . / fs / xfs / xfs_dir2_priv.h
blob: 067f403ecf8a41c4367c07d46cb6bd0c86b75cca [file] [log] [blame]
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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 */
22extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
23extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
24extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
25extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
26 xfs_dir2_db_t *dbp);
27extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
28 struct xfs_dabuf *bp);
29extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
30 const unsigned char *name, int len);
31
32/* xfs_dir2_block.c */
33extern int xfs_dir2_block_addname(struct xfs_da_args *args);
34extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
35 xfs_off_t *offset, filldir_t filldir);
36extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
37extern int xfs_dir2_block_removename(struct xfs_da_args *args);
38extern int xfs_dir2_block_replace(struct xfs_da_args *args);
39extern 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
44extern 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
48extern struct xfs_dir2_data_free *
49xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
50 struct xfs_dir2_data_unused *dup, int *loghead);
51extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
52 struct xfs_dir2_data_hdr *hdr, int *loghead);
53extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
54 struct xfs_dabuf **bpp);
55extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp,
56 struct xfs_dir2_data_entry *dep);
57extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
58 struct xfs_dabuf *bp);
59extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp,
60 struct xfs_dir2_data_unused *dup);
61extern 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);
64extern 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 */
69extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
70 struct xfs_dabuf *dbp);
71extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
72extern void xfs_dir2_leaf_compact(struct xfs_da_args *args,
73 struct xfs_dabuf *bp);
74extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp,
75 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
76extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
77 size_t bufsize, xfs_off_t *offset, filldir_t filldir);
78extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno,
79 struct xfs_dabuf **bpp, int magic);
80extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp,
81 int first, int last);
82extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
83 struct xfs_dabuf *bp);
84extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
85extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
86extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
87extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
88 struct xfs_dabuf *lbp);
89extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
90 struct xfs_dabuf *lbp, xfs_dir2_db_t db);
91extern struct xfs_dir2_leaf_entry *
92xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact,
93 int lowstale, int highstale,
94 int *lfloglow, int *lfloghigh);
95extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
96
97/* xfs_dir2_node.c */
98extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
99 struct xfs_dabuf *lbp);
100extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count);
101extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp,
102 struct xfs_da_args *args, int *indexp,
103 struct xfs_da_state *state);
104extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp,
105 struct xfs_dabuf *leaf2_bp);
106extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
107 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
108extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
109extern 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);
112extern int xfs_dir2_node_addname(struct xfs_da_args *args);
113extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
114extern int xfs_dir2_node_removename(struct xfs_da_args *args);
115extern int xfs_dir2_node_replace(struct xfs_da_args *args);
116extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
117 int *rvalp);
118
119/* xfs_dir2_sf.c */
120extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
121extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
122 struct xfs_dir2_sf_entry *sfep);
123extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
124 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
125extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp,
126 int size, xfs_dir2_sf_hdr_t *sfhp);
127extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
128extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
129extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
130 xfs_off_t *offset, filldir_t filldir);
131extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
132extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
133extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
134
135#endif /* __XFS_DIR2_PRIV_H__ */