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 */ 22 extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); 23 extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r); 24 extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r); 25 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, 26 xfs_dir2_db_t *dbp); 27 extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, 28 struct xfs_buf *bp); 29 extern int xfs_dir_cilookup_result(struct xfs_da_args *args, 30 const unsigned char *name, int len); 31 32 /* xfs_dir2_block.c */ 33 extern const struct xfs_buf_ops xfs_dir3_block_buf_ops; 34 35 extern int xfs_dir2_block_addname(struct xfs_da_args *args); 36 extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent, 37 xfs_off_t *offset, filldir_t filldir); 38 extern int xfs_dir2_block_lookup(struct xfs_da_args *args); 39 extern int xfs_dir2_block_removename(struct xfs_da_args *args); 40 extern int xfs_dir2_block_replace(struct xfs_da_args *args); 41 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, 42 struct xfs_buf *lbp, struct xfs_buf *dbp); 43 44 /* xfs_dir2_data.c */ 45 #ifdef DEBUG 46 #define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp); 47 #else 48 #define xfs_dir3_data_check(dp,bp) 49 #endif 50 51 extern const struct xfs_buf_ops xfs_dir3_data_buf_ops; 52 extern const struct xfs_buf_ops xfs_dir3_free_buf_ops; 53 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, 56 xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp); 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); 59 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); 63 extern void xfs_dir2_data_freescan(struct xfs_mount *mp, 64 struct xfs_dir2_data_hdr *hdr, int *loghead); 65 extern int xfs_dir3_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, 66 struct xfs_buf **bpp); 67 extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp, 68 struct xfs_dir2_data_entry *dep); 69 extern void xfs_dir2_data_log_header(struct xfs_trans *tp, 70 struct xfs_buf *bp); 71 extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp, 72 struct xfs_dir2_data_unused *dup); 73 extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp, 74 xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len, 75 int *needlogp, int *needscanp); 76 extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp, 77 struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset, 78 xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp); 79 80 /* xfs_dir2_leaf.c */ 81 extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops; 82 extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops; 83 84 extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp, 85 xfs_dablk_t fbno, xfs_daddr_t mappedbno, struct xfs_buf **bpp); 86 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args, 87 struct xfs_buf *dbp); 88 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args); 89 extern void xfs_dir3_leaf_compact(struct xfs_da_args *args, 90 struct xfs_dir3_icleaf_hdr *leafhdr, struct xfs_buf *bp); 91 extern void xfs_dir3_leaf_compact_x1(struct xfs_dir3_icleaf_hdr *leafhdr, 92 struct xfs_dir2_leaf_entry *ents, int *indexp, 93 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); 94 extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent, 95 size_t bufsize, xfs_off_t *offset, filldir_t filldir); 96 extern int xfs_dir3_leaf_get_buf(struct xfs_da_args *args, xfs_dir2_db_t bno, 97 struct xfs_buf **bpp, __uint16_t magic); 98 extern void xfs_dir3_leaf_log_ents(struct xfs_trans *tp, struct xfs_buf *bp, 99 int first, int last); 100 extern void xfs_dir3_leaf_log_header(struct xfs_trans *tp, 101 struct xfs_buf *bp); 102 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args); 103 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args); 104 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args); 105 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args, 106 struct xfs_buf *lbp); 107 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args, 108 struct xfs_buf *lbp, xfs_dir2_db_t db); 109 extern struct xfs_dir2_leaf_entry * 110 xfs_dir3_leaf_find_entry(struct xfs_dir3_icleaf_hdr *leafhdr, 111 struct xfs_dir2_leaf_entry *ents, int index, int compact, 112 int lowstale, int highstale, int *lfloglow, int *lfloghigh); 113 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state); 114 115 extern void xfs_dir3_leaf_hdr_from_disk(struct xfs_dir3_icleaf_hdr *to, 116 struct xfs_dir2_leaf *from); 117 extern void xfs_dir3_leaf_hdr_to_disk(struct xfs_dir2_leaf *to, 118 struct xfs_dir3_icleaf_hdr *from); 119 extern bool xfs_dir3_leaf_check_int(struct xfs_mount *mp, 120 struct xfs_dir3_icleaf_hdr *hdr, struct xfs_dir2_leaf *leaf); 121 122 /* xfs_dir2_node.c */ 123 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args, 124 struct xfs_buf *lbp); 125 extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_buf *bp, int *count); 126 extern int xfs_dir2_leafn_lookup_int(struct xfs_buf *bp, 127 struct xfs_da_args *args, int *indexp, 128 struct xfs_da_state *state); 129 extern int xfs_dir2_leafn_order(struct xfs_buf *leaf1_bp, 130 struct xfs_buf *leaf2_bp); 131 extern int xfs_dir2_leafn_split(struct xfs_da_state *state, 132 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk); 133 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action); 134 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state, 135 struct xfs_da_state_blk *drop_blk, 136 struct xfs_da_state_blk *save_blk); 137 extern int xfs_dir2_node_addname(struct xfs_da_args *args); 138 extern int xfs_dir2_node_lookup(struct xfs_da_args *args); 139 extern int xfs_dir2_node_removename(struct xfs_da_args *args); 140 extern int xfs_dir2_node_replace(struct xfs_da_args *args); 141 extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo, 142 int *rvalp); 143 extern int xfs_dir2_free_read(struct xfs_trans *tp, struct xfs_inode *dp, 144 xfs_dablk_t fbno, struct xfs_buf **bpp); 145 146 /* xfs_dir2_sf.c */ 147 extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp); 148 extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp, 149 struct xfs_dir2_sf_entry *sfep); 150 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, 151 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp); 152 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_buf *bp, 153 int size, xfs_dir2_sf_hdr_t *sfhp); 154 extern int xfs_dir2_sf_addname(struct xfs_da_args *args); 155 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); 156 extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent, 157 xfs_off_t *offset, filldir_t filldir); 158 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); 159 extern int xfs_dir2_sf_removename(struct xfs_da_args *args); 160 extern int xfs_dir2_sf_replace(struct xfs_da_args *args); 161 162 #endif /* __XFS_DIR2_PRIV_H__ */ 163