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_dabuf *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 int xfs_dir2_block_addname(struct xfs_da_args *args); 34 extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent, 35 xfs_off_t *offset, filldir_t filldir); 36 extern int xfs_dir2_block_lookup(struct xfs_da_args *args); 37 extern int xfs_dir2_block_removename(struct xfs_da_args *args); 38 extern int xfs_dir2_block_replace(struct xfs_da_args *args); 39 extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args, 40 struct xfs_dabuf *lbp, struct xfs_dabuf *dbp); 41 42 /* xfs_dir2_data.c */ 43 #ifdef DEBUG 44 extern void xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_dabuf *bp); 45 #else 46 #define xfs_dir2_data_check(dp,bp) 47 #endif 48 extern struct xfs_dir2_data_free * 49 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr, 50 struct xfs_dir2_data_unused *dup, int *loghead); 51 extern void xfs_dir2_data_freescan(struct xfs_mount *mp, 52 struct xfs_dir2_data_hdr *hdr, int *loghead); 53 extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno, 54 struct xfs_dabuf **bpp); 55 extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp, 56 struct xfs_dir2_data_entry *dep); 57 extern void xfs_dir2_data_log_header(struct xfs_trans *tp, 58 struct xfs_dabuf *bp); 59 extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp, 60 struct xfs_dir2_data_unused *dup); 61 extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_dabuf *bp, 62 xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len, 63 int *needlogp, int *needscanp); 64 extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_dabuf *bp, 65 struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset, 66 xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp); 67 68 /* xfs_dir2_leaf.c */ 69 extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args, 70 struct xfs_dabuf *dbp); 71 extern int xfs_dir2_leaf_addname(struct xfs_da_args *args); 72 extern void xfs_dir2_leaf_compact(struct xfs_da_args *args, 73 struct xfs_dabuf *bp); 74 extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp, 75 int *lowstalep, int *highstalep, int *lowlogp, int *highlogp); 76 extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent, 77 size_t bufsize, xfs_off_t *offset, filldir_t filldir); 78 extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno, 79 struct xfs_dabuf **bpp, int magic); 80 extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp, 81 int first, int last); 82 extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp, 83 struct xfs_dabuf *bp); 84 extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args); 85 extern int xfs_dir2_leaf_removename(struct xfs_da_args *args); 86 extern int xfs_dir2_leaf_replace(struct xfs_da_args *args); 87 extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args, 88 struct xfs_dabuf *lbp); 89 extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args, 90 struct xfs_dabuf *lbp, xfs_dir2_db_t db); 91 extern struct xfs_dir2_leaf_entry * 92 xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact, 93 int lowstale, int highstale, 94 int *lfloglow, int *lfloghigh); 95 extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state); 96 97 /* xfs_dir2_node.c */ 98 extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args, 99 struct xfs_dabuf *lbp); 100 extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count); 101 extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp, 102 struct xfs_da_args *args, int *indexp, 103 struct xfs_da_state *state); 104 extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp, 105 struct xfs_dabuf *leaf2_bp); 106 extern int xfs_dir2_leafn_split(struct xfs_da_state *state, 107 struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk); 108 extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action); 109 extern void xfs_dir2_leafn_unbalance(struct xfs_da_state *state, 110 struct xfs_da_state_blk *drop_blk, 111 struct xfs_da_state_blk *save_blk); 112 extern int xfs_dir2_node_addname(struct xfs_da_args *args); 113 extern int xfs_dir2_node_lookup(struct xfs_da_args *args); 114 extern int xfs_dir2_node_removename(struct xfs_da_args *args); 115 extern int xfs_dir2_node_replace(struct xfs_da_args *args); 116 extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo, 117 int *rvalp); 118 119 /* xfs_dir2_sf.c */ 120 extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp); 121 extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp, 122 struct xfs_dir2_sf_entry *sfep); 123 extern int xfs_dir2_block_sfsize(struct xfs_inode *dp, 124 struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp); 125 extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp, 126 int size, xfs_dir2_sf_hdr_t *sfhp); 127 extern int xfs_dir2_sf_addname(struct xfs_da_args *args); 128 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); 129 extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent, 130 xfs_off_t *offset, filldir_t filldir); 131 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); 132 extern int xfs_dir2_sf_removename(struct xfs_da_args *args); 133 extern int xfs_dir2_sf_replace(struct xfs_da_args *args); 134 135 #endif /* __XFS_DIR2_PRIV_H__ */ 136