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gerrit-public.fairphone.software / kernel / msm-5.4 / 66470c973c1b000a9830a58f89741704a9136daa / . / fs / xfs / xfs_dir2_priv.h
blob: 8b9d2281f85b3c6efdec0a6906a1506074871320 [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
Dave Chinner0cb97762013-08-12 20:50:09 +1000[diff] [blame]21struct dir_context;
22
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]23/* xfs_dir2.c */
24extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]25extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
26 xfs_dir2_db_t *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]27extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
28 const unsigned char *name, int len);
29
Dave Chinner0cb97762013-08-12 20:50:09 +1000[diff] [blame]30#define S_SHIFT 12
31extern const unsigned char xfs_mode_to_ftype[];
32
33extern unsigned char xfs_dir3_get_dtype(struct xfs_mount *mp,
34 __uint8_t filetype);
35
36
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]37/* xfs_dir2_block.c */
Dave Chinner4a8af272013-08-12 20:49:36 +1000[diff] [blame]38extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
39 struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]40extern int xfs_dir2_block_addname(struct xfs_da_args *args);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]41extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
42extern int xfs_dir2_block_removename(struct xfs_da_args *args);
43extern int xfs_dir2_block_replace(struct xfs_da_args *args);
44extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]45 struct xfs_buf *lbp, struct xfs_buf *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]46
47/* xfs_dir2_data.c */
48#ifdef DEBUG
Dave Chinner33363fe2013-04-03 16:11:22 +1100[diff] [blame]49#define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]50#else
Dave Chinner33363fe2013-04-03 16:11:22 +1100[diff] [blame]51#define xfs_dir3_data_check(dp,bp)
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]52#endif
Dave Chinner1813dd62012-11-14 17:54:40 +1100[diff] [blame]53
Dave Chinner33363fe2013-04-03 16:11:22 +1100[diff] [blame]54extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
55extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
Dave Chinnere4813572012-11-12 22:54:14 +1100[diff] [blame]56 xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
Dave Chinnerc24b5df2013-08-12 20:49:45 +1000[diff] [blame]57extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
58 xfs_dablk_t bno, xfs_daddr_t mapped_bno);
Dave Chinner82025d72012-11-12 22:54:12 +1100[diff] [blame]59
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]60extern struct xfs_dir2_data_free *
61xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
Dave Chinner2ca98772013-10-29 22:11:49 +1100[diff] [blame]62 struct xfs_dir2_data_free *bf, struct xfs_dir2_data_unused *dup,
63 int *loghead);
Dave Chinnerf5f3d9b2013-04-03 16:11:20 +1100[diff] [blame]64extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]65 struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]66
67/* xfs_dir2_leaf.c */
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]68extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
Dave Chinnere6f76672012-11-12 22:54:15 +1100[diff] [blame]69 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]70extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]71 struct xfs_buf *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]72extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]73extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
74 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
75extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
76 struct xfs_dir2_leaf_entry *ents, int *indexp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]77 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]78extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
79 struct xfs_buf **bpp, __uint16_t magic);
Dave Chinner41419562013-10-29 22:11:50 +1100[diff] [blame]80extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_inode *dp,
81 struct xfs_buf *bp, int first, int last);
82extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp, struct xfs_inode *dp,
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 *
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]92xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
93 struct xfs_dir2_leaf_entry *ents, int index, int compact,
94 int lowstale, int highstale, int *lfloglow, int *lfloghigh);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]95extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
96
Dave Chinner41419562013-10-29 22:11:50 +1100[diff] [blame]97extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp, struct xfs_inode *dp,
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]98 struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf);
99
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]100/* xfs_dir2_node.c */
101extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]102 struct xfs_buf *lbp);
Dave Chinner41419562013-10-29 22:11:50 +1100[diff] [blame]103extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_inode *dp,
104 struct xfs_buf *bp, int *count);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]105extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]106 struct xfs_da_args *args, int *indexp,
107 struct xfs_da_state *state);
Dave Chinner41419562013-10-29 22:11:50 +1100[diff] [blame]108extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]109 struct xfs_buf *leaf2_bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]110extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
111 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
112extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
113extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
114 struct xfs_da_state_blk *drop_blk,
115 struct xfs_da_state_blk *save_blk);
116extern int xfs_dir2_node_addname(struct xfs_da_args *args);
117extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
118extern int xfs_dir2_node_removename(struct xfs_da_args *args);
119extern int xfs_dir2_node_replace(struct xfs_da_args *args);
120extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
121 int *rvalp);
Dave Chinner20252072012-11-12 22:54:13 +1100[diff] [blame]122extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
123 xfs_dablk_t fbno, struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]124
125/* xfs_dir2_sf.c */
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]126extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
127 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]128extern 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]129 int size, xfs_dir2_sf_hdr_t *sfhp);
130extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
131extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]132extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
133extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
134extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
135
Dave Chinnerc24b5df2013-08-12 20:49:45 +1000[diff] [blame]136/* xfs_dir2_readdir.c */
137extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
138 size_t bufsize);
139
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]140#endif /* __XFS_DIR2_PRIV_H__ */