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review.evervolv.com / android_kernel_oneplus_msm8996 / c24b5dfadc4a4f7a13af373067871479c74455e6 / . / fs / xfs / xfs_dir2_priv.h
blob: 6d2a99c224b7ebb67d4eb38d904ee70425dc703e [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);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]23extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
24 xfs_dir2_db_t *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]25extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
26 const unsigned char *name, int len);
27
28/* xfs_dir2_block.c */
Dave Chinner4a8af272013-08-12 20:49:36 +1000[diff] [blame]29extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp,
30 struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]31extern int xfs_dir2_block_addname(struct xfs_da_args *args);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]32extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
33extern int xfs_dir2_block_removename(struct xfs_da_args *args);
34extern int xfs_dir2_block_replace(struct xfs_da_args *args);
35extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]36 struct xfs_buf *lbp, struct xfs_buf *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]37
38/* xfs_dir2_data.c */
39#ifdef DEBUG
Dave Chinner33363fe2013-04-03 16:11:22 +1100[diff] [blame]40#define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]41#else
Dave Chinner33363fe2013-04-03 16:11:22 +1100[diff] [blame]42#define xfs_dir3_data_check(dp,bp)
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]43#endif
Dave Chinner1813dd62012-11-14 17:54:40 +1100[diff] [blame]44
Dave Chinner33363fe2013-04-03 16:11:22 +1100[diff] [blame]45extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
46extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
Dave Chinnere4813572012-11-12 22:54:14 +1100[diff] [blame]47 xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
Dave Chinnerc24b5df2013-08-12 20:49:45 +1000[diff] [blame^]48extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
49 xfs_dablk_t bno, xfs_daddr_t mapped_bno);
Dave Chinner82025d72012-11-12 22:54:12 +1100[diff] [blame]50
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]51extern struct xfs_dir2_data_free *
52xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
53 struct xfs_dir2_data_unused *dup, int *loghead);
Dave Chinnerf5f3d9b2013-04-03 16:11:20 +1100[diff] [blame]54extern 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]55 struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]56
57/* xfs_dir2_leaf.c */
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]58extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
Dave Chinnere6f76672012-11-12 22:54:15 +1100[diff] [blame]59 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]60extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]61 struct xfs_buf *dbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]62extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]63extern void xfs_dir3_leaf_compact(struct xfs_da_args *args,
64 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp);
65extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr,
66 struct xfs_dir2_leaf_entry *ents, int *indexp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]67 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]68extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno,
69 struct xfs_buf **bpp, __uint16_t magic);
70extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]71 int first, int last);
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]72extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]73 struct xfs_buf *bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]74extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
75extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
76extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
77extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]78 struct xfs_buf *lbp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]79extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]80 struct xfs_buf *lbp, xfs_dir2_db_t db);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]81extern struct xfs_dir2_leaf_entry *
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]82xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr,
83 struct xfs_dir2_leaf_entry *ents, int index, int compact,
84 int lowstale, int highstale, int *lfloglow, int *lfloghigh);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]85extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
86
Dave Chinner24df33b2013-04-12 07:30:21 +1000[diff] [blame]87extern void xfs_dir3_leaf_hdr_from_disk(struct xfs_dir3_icleaf_hdr *to,
88 struct xfs_dir2_leaf *from);
89extern void xfs_dir3_leaf_hdr_to_disk(struct xfs_dir2_leaf *to,
90 struct xfs_dir3_icleaf_hdr *from);
91extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp,
92 struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf);
93
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]94/* xfs_dir2_node.c */
95extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]96 struct xfs_buf *lbp);
97extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count);
98extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp,
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]99 struct xfs_da_args *args, int *indexp,
100 struct xfs_da_state *state);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]101extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp,
102 struct xfs_buf *leaf2_bp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]103extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
104 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
105extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
106extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state,
107 struct xfs_da_state_blk *drop_blk,
108 struct xfs_da_state_blk *save_blk);
109extern int xfs_dir2_node_addname(struct xfs_da_args *args);
110extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
111extern int xfs_dir2_node_removename(struct xfs_da_args *args);
112extern int xfs_dir2_node_replace(struct xfs_da_args *args);
113extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
114 int *rvalp);
Dave Chinner20252072012-11-12 22:54:13 +1100[diff] [blame]115extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp,
116 xfs_dablk_t fbno, struct xfs_buf **bpp);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]117
118/* xfs_dir2_sf.c */
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]119extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
120 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
Dave Chinner1d9025e2012-06-22 18:50:14 +1000[diff] [blame]121extern 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]122 int size, xfs_dir2_sf_hdr_t *sfhp);
123extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
124extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]125extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
126extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
127extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
128
Dave Chinnerc24b5df2013-08-12 20:49:45 +1000[diff] [blame^]129/* xfs_dir2_readdir.c */
130extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx,
131 size_t bufsize);
132
Christoph Hellwig57926642011-07-13 13:43:48 +0200[diff] [blame]133#endif /* __XFS_DIR2_PRIV_H__ */