Christoph Hellwig | 5792664 | 2011-07-13 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 Chinner | 0cb9776 | 2013-08-12 20:50:09 +1000 | [diff] [blame] | 21 | struct dir_context; |
| 22 | |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 23 | /* xfs_dir2.c */ |
| 24 | extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 25 | extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, |
| 26 | xfs_dir2_db_t *dbp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 27 | extern int xfs_dir_cilookup_result(struct xfs_da_args *args, |
| 28 | const unsigned char *name, int len); |
| 29 | |
Dave Chinner | 0cb9776 | 2013-08-12 20:50:09 +1000 | [diff] [blame] | 30 | #define S_SHIFT 12 |
| 31 | extern const unsigned char xfs_mode_to_ftype[]; |
| 32 | |
| 33 | extern unsigned char xfs_dir3_get_dtype(struct xfs_mount *mp, |
| 34 | __uint8_t filetype); |
| 35 | |
| 36 | |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 37 | /* xfs_dir2_block.c */ |
Dave Chinner | 4a8af27 | 2013-08-12 20:49:36 +1000 | [diff] [blame] | 38 | extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp, |
| 39 | struct xfs_buf **bpp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 40 | extern int xfs_dir2_block_addname(struct xfs_da_args *args); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 41 | extern int xfs_dir2_block_lookup(struct xfs_da_args *args); |
| 42 | extern int xfs_dir2_block_removename(struct xfs_da_args *args); |
| 43 | extern int xfs_dir2_block_replace(struct xfs_da_args *args); |
| 44 | extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 45 | struct xfs_buf *lbp, struct xfs_buf *dbp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 46 | |
| 47 | /* xfs_dir2_data.c */ |
| 48 | #ifdef DEBUG |
Dave Chinner | 33363fe | 2013-04-03 16:11:22 +1100 | [diff] [blame] | 49 | #define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 50 | #else |
Dave Chinner | 33363fe | 2013-04-03 16:11:22 +1100 | [diff] [blame] | 51 | #define xfs_dir3_data_check(dp,bp) |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 52 | #endif |
Dave Chinner | 1813dd6 | 2012-11-14 17:54:40 +1100 | [diff] [blame] | 53 | |
Dave Chinner | 33363fe | 2013-04-03 16:11:22 +1100 | [diff] [blame] | 54 | extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp); |
| 55 | extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp, |
Dave Chinner | e481357 | 2012-11-12 22:54:14 +1100 | [diff] [blame] | 56 | xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp); |
Dave Chinner | c24b5df | 2013-08-12 20:49:45 +1000 | [diff] [blame] | 57 | extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp, |
| 58 | xfs_dablk_t bno, xfs_daddr_t mapped_bno); |
Dave Chinner | 82025d7 | 2012-11-12 22:54:12 +1100 | [diff] [blame] | 59 | |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 60 | extern struct xfs_dir2_data_free * |
| 61 | xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr, |
| 62 | struct xfs_dir2_data_unused *dup, int *loghead); |
Dave Chinner | f5f3d9b | 2013-04-03 16:11:20 +1100 | [diff] [blame] | 63 | extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 64 | struct xfs_buf **bpp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 65 | |
| 66 | /* xfs_dir2_leaf.c */ |
Dave Chinner | 24df33b | 2013-04-12 07:30:21 +1000 | [diff] [blame] | 67 | extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp, |
Dave Chinner | e6f7667 | 2012-11-12 22:54:15 +1100 | [diff] [blame] | 68 | xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 69 | extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 70 | struct xfs_buf *dbp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 71 | extern int xfs_dir2_leaf_addname(struct xfs_da_args *args); |
Dave Chinner | 24df33b | 2013-04-12 07:30:21 +1000 | [diff] [blame] | 72 | extern void xfs_dir3_leaf_compact(struct xfs_da_args *args, |
| 73 | struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp); |
| 74 | extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr, |
| 75 | struct xfs_dir2_leaf_entry *ents, int *indexp, |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 76 | int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); |
Dave Chinner | 24df33b | 2013-04-12 07:30:21 +1000 | [diff] [blame] | 77 | extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno, |
| 78 | struct xfs_buf **bpp, __uint16_t magic); |
| 79 | extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp, |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 80 | int first, int last); |
Dave Chinner | 24df33b | 2013-04-12 07:30:21 +1000 | [diff] [blame] | 81 | extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 82 | struct xfs_buf *bp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 83 | extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args); |
| 84 | extern int xfs_dir2_leaf_removename(struct xfs_da_args *args); |
| 85 | extern int xfs_dir2_leaf_replace(struct xfs_da_args *args); |
| 86 | extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 87 | struct xfs_buf *lbp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 88 | extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 89 | struct xfs_buf *lbp, xfs_dir2_db_t db); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 90 | extern struct xfs_dir2_leaf_entry * |
Dave Chinner | 24df33b | 2013-04-12 07:30:21 +1000 | [diff] [blame] | 91 | xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr, |
| 92 | struct xfs_dir2_leaf_entry *ents, int index, int compact, |
| 93 | int lowstale, int highstale, int *lfloglow, int *lfloghigh); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 94 | extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state); |
| 95 | |
Dave Chinner | 24df33b | 2013-04-12 07:30:21 +1000 | [diff] [blame] | 96 | extern void xfs_dir3_leaf_hdr_from_disk(struct xfs_dir3_icleaf_hdr *to, |
| 97 | struct xfs_dir2_leaf *from); |
| 98 | extern void xfs_dir3_leaf_hdr_to_disk(struct xfs_dir2_leaf *to, |
| 99 | struct xfs_dir3_icleaf_hdr *from); |
| 100 | extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp, |
| 101 | struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf); |
| 102 | |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 103 | /* xfs_dir2_node.c */ |
| 104 | extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args, |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 105 | struct xfs_buf *lbp); |
| 106 | extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count); |
| 107 | extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp, |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 108 | struct xfs_da_args *args, int *indexp, |
| 109 | struct xfs_da_state *state); |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 110 | extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp, |
| 111 | struct xfs_buf *leaf2_bp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 112 | extern int xfs_dir2_leafn_split(struct xfs_da_state *state, |
| 113 | struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk); |
| 114 | extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action); |
| 115 | extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state, |
| 116 | struct xfs_da_state_blk *drop_blk, |
| 117 | struct xfs_da_state_blk *save_blk); |
| 118 | extern int xfs_dir2_node_addname(struct xfs_da_args *args); |
| 119 | extern int xfs_dir2_node_lookup(struct xfs_da_args *args); |
| 120 | extern int xfs_dir2_node_removename(struct xfs_da_args *args); |
| 121 | extern int xfs_dir2_node_replace(struct xfs_da_args *args); |
| 122 | extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo, |
| 123 | int *rvalp); |
Dave Chinner | 2025207 | 2012-11-12 22:54:13 +1100 | [diff] [blame] | 124 | extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp, |
| 125 | xfs_dablk_t fbno, struct xfs_buf **bpp); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 126 | |
| 127 | /* xfs_dir2_sf.c */ |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 128 | extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, |
| 129 | struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp); |
Dave Chinner | 1d9025e | 2012-06-22 18:50:14 +1000 | [diff] [blame] | 130 | extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp, |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 131 | int size, xfs_dir2_sf_hdr_t *sfhp); |
| 132 | extern int xfs_dir2_sf_addname(struct xfs_da_args *args); |
| 133 | extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 134 | extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); |
| 135 | extern int xfs_dir2_sf_removename(struct xfs_da_args *args); |
| 136 | extern int xfs_dir2_sf_replace(struct xfs_da_args *args); |
| 137 | |
Dave Chinner | c24b5df | 2013-08-12 20:49:45 +1000 | [diff] [blame] | 138 | /* xfs_dir2_readdir.c */ |
| 139 | extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx, |
| 140 | size_t bufsize); |
| 141 | |
Christoph Hellwig | 5792664 | 2011-07-13 13:43:48 +0200 | [diff] [blame] | 142 | #endif /* __XFS_DIR2_PRIV_H__ */ |