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gerrit-public.fairphone.software / kernel / msm-4.9 / f784e8a7989c0da3062d04bfea3db90f41e8f738 / . / fs / xfs / xfs_dir2_priv.h
blob: 3523d3e15aa8ad3fd3f86aaf65f322ad13c956bf [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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]28 struct xfs_buf *bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]40 struct xfs_buf *lbp, struct xfs_buf *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]41
42/* xfs_dir2_data.c */
43#ifdef DEBUG
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]44extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]54 struct xfs_buf **bpp);
55extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]56 struct xfs_dir2_data_entry *dep);
57extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]58 struct xfs_buf *bp);
59extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]60 struct xfs_dir2_data_unused *dup);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]61extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]62 xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
63 int *needlogp, int *needscanp);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]64extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]70 struct xfs_buf *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]71extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
72extern void xfs_dir2_leaf_compact(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]73 struct xfs_buf *bp);
74extern void xfs_dir2_leaf_compact_x1(struct xfs_buf *bp, int *indexp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]79 struct xfs_buf **bpp, int magic);
80extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]81 int first, int last);
82extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]83 struct xfs_buf *bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]88 struct xfs_buf *lbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]89extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]90 struct xfs_buf *lbp, xfs_dir2_db_t db);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]99 struct xfs_buf *lbp);
100extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count);
101extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]102 struct xfs_da_args *args, int *indexp,
103 struct xfs_da_state *state);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]104extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp,
105 struct xfs_buf *leaf2_bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]125extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]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__ */