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 struct dir_context; 22 23 /* xfs_dir2.c */ 24 extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); 25 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, 26 xfs_dir2_db_t *dbp); 27 extern int xfs_dir_cilookup_result(struct xfs_da_args *args, 28 const unsigned char *name, int len); 29 30 31 /* xfs_dir2_block.c */ 32 extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp, 33 struct xfs_buf **bpp); 34 extern int xfs_dir2_block_addname(struct xfs_da_args *args); 35 extern int xfs_dir2_block_lookup(struct xfs_da_args *args); 36 extern int xfs_dir2_block_removename(struct xfs_da_args *args); 37 extern int xfs_dir2_block_replace(struct xfs_da_args *args); 38 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, 39 struct xfs_buf *lbp, struct xfs_buf *dbp); 40 41 /* xfs_dir2_data.c */ 42 #ifdef DEBUG 43 #define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp); 44 #else 45 #define xfs_dir3_data_check(dp,bp) 46 #endif 47 48 extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp); 49 extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp, 50 xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp); 51 extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno, 52 xfs_daddr_t mapped_bno); 53 54 extern struct xfs_dir2_data_free * 55 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr, 56 struct xfs_dir2_data_free *bf, struct xfs_dir2_data_unused *dup, 57 int *loghead); 58 extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, 59 struct xfs_buf **bpp); 60 61 /* xfs_dir2_leaf.c */ 62 extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp, 63 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp); 64 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args, 65 struct xfs_buf *dbp); 66 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args); 67 extern void xfs_dir3_leaf_compact(struct xfs_da_args *args, 68 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp); 69 extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr, 70 struct xfs_dir2_leaf_entry *ents, int *indexp, 71 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); 72 extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno, 73 struct xfs_buf **bpp, __uint16_t magic); 74 extern void xfs_dir3_leaf_log_ents(struct xfs_da_args *args, 75 struct xfs_buf *bp, int first, int last); 76 extern void xfs_dir3_leaf_log_header(struct xfs_da_args *args, 77 struct xfs_buf *bp); 78 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args); 79 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args); 80 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args); 81 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args, 82 struct xfs_buf *lbp); 83 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args, 84 struct xfs_buf *lbp, xfs_dir2_db_t db); 85 extern struct xfs_dir2_leaf_entry * 86 xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr, 87 struct xfs_dir2_leaf_entry *ents, int index, int compact, 88 int lowstale, int highstale, int *lfloglow, int *lfloghigh); 89 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state); 90 91 extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp, struct xfs_inode *dp, 92 struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf); 93 94 /* xfs_dir2_node.c */ 95 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args, 96 struct xfs_buf *lbp); 97 extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_inode *dp, 98 struct xfs_buf *bp, int *count); 99 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp, 100 struct xfs_da_args *args, int *indexp, 101 struct xfs_da_state *state); 102 extern int xfs_dir2_leafn_order(struct xfs_inode *dp, struct xfs_buf *leaf1_bp, 103 struct xfs_buf *leaf2_bp); 104 extern int xfs_dir2_leafn_split(struct xfs_da_state *state, 105 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk); 106 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action); 107 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state, 108 struct xfs_da_state_blk *drop_blk, 109 struct xfs_da_state_blk *save_blk); 110 extern int xfs_dir2_node_addname(struct xfs_da_args *args); 111 extern int xfs_dir2_node_lookup(struct xfs_da_args *args); 112 extern int xfs_dir2_node_removename(struct xfs_da_args *args); 113 extern int xfs_dir2_node_replace(struct xfs_da_args *args); 114 extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo, 115 int *rvalp); 116 extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp, 117 xfs_dablk_t fbno, struct xfs_buf **bpp); 118 119 /* xfs_dir2_sf.c */ 120 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, 121 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp); 122 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp, 123 int size, xfs_dir2_sf_hdr_t *sfhp); 124 extern int xfs_dir2_sf_addname(struct xfs_da_args *args); 125 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); 126 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); 127 extern int xfs_dir2_sf_removename(struct xfs_da_args *args); 128 extern int xfs_dir2_sf_replace(struct xfs_da_args *args); 129 130 /* xfs_dir2_readdir.c */ 131 extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx, 132 size_t bufsize); 133 134 #endif /* __XFS_DIR2_PRIV_H__ */ 135