/fs/xfs/xfs_dir2_priv.h

  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);
 23extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
 24extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
 25extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
 26				xfs_dir2_db_t *dbp);
 27extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
 28				struct xfs_dabuf *bp);
 29extern int xfs_dir_cilookup_result(struct xfs_da_args *args,
 30				const unsigned char *name, int len);
 31
 32/* xfs_dir2_block.c */
 33extern int xfs_dir2_block_addname(struct xfs_da_args *args);
 34extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
 35		xfs_off_t *offset, filldir_t filldir);
 36extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
 37extern int xfs_dir2_block_removename(struct xfs_da_args *args);
 38extern int xfs_dir2_block_replace(struct xfs_da_args *args);
 39extern 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
 44extern 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
 48extern struct xfs_dir2_data_free *
 49xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,
 50		struct xfs_dir2_data_unused *dup, int *loghead);
 51extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
 52		struct xfs_dir2_data_hdr *hdr, int *loghead);
 53extern int xfs_dir2_data_init(struct xfs_da_args *args, xfs_dir2_db_t blkno,
 54		struct xfs_dabuf **bpp);
 55extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_dabuf *bp,
 56		struct xfs_dir2_data_entry *dep);
 57extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
 58		struct xfs_dabuf *bp);
 59extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_dabuf *bp,
 60		struct xfs_dir2_data_unused *dup);
 61extern 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);
 64extern 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 */
 69extern int xfs_dir2_block_to_leaf(struct xfs_da_args *args,
 70		struct xfs_dabuf *dbp);
 71extern int xfs_dir2_leaf_addname(struct xfs_da_args *args);
 72extern void xfs_dir2_leaf_compact(struct xfs_da_args *args,
 73		struct xfs_dabuf *bp);
 74extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp,
 75		int *lowstalep, int *highstalep, int *lowlogp, int *highlogp);
 76extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
 77		size_t bufsize, xfs_off_t *offset, filldir_t filldir);
 78extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno,
 79		struct xfs_dabuf **bpp, int magic);
 80extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf *bp,
 81		int first, int last);
 82extern void xfs_dir2_leaf_log_header(struct xfs_trans *tp,
 83		struct xfs_dabuf *bp);
 84extern int xfs_dir2_leaf_lookup(struct xfs_da_args *args);
 85extern int xfs_dir2_leaf_removename(struct xfs_da_args *args);
 86extern int xfs_dir2_leaf_replace(struct xfs_da_args *args);
 87extern int xfs_dir2_leaf_search_hash(struct xfs_da_args *args,
 88		struct xfs_dabuf *lbp);
 89extern int xfs_dir2_leaf_trim_data(struct xfs_da_args *args,
 90		struct xfs_dabuf *lbp, xfs_dir2_db_t db);
 91extern struct xfs_dir2_leaf_entry *
 92xfs_dir2_leaf_find_entry(struct xfs_dir2_leaf *leaf, int index, int compact,
 93		int lowstale, int highstale,
 94		int *lfloglow, int *lfloghigh);
 95extern int xfs_dir2_node_to_leaf(struct xfs_da_state *state);
 96
 97/* xfs_dir2_node.c */
 98extern int xfs_dir2_leaf_to_node(struct xfs_da_args *args,
 99		struct xfs_dabuf *lbp);
100extern xfs_dahash_t xfs_dir2_leafn_lasthash(struct xfs_dabuf *bp, int *count);
101extern int xfs_dir2_leafn_lookup_int(struct xfs_dabuf *bp,
102		struct xfs_da_args *args, int *indexp,
103		struct xfs_da_state *state);
104extern int xfs_dir2_leafn_order(struct xfs_dabuf *leaf1_bp,
105		struct xfs_dabuf *leaf2_bp);
106extern int xfs_dir2_leafn_split(struct xfs_da_state *state,
107	struct xfs_da_state_blk *oldblk, struct xfs_da_state_blk *newblk);
108extern int xfs_dir2_leafn_toosmall(struct xfs_da_state *state, int *action);
109extern 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);
112extern int xfs_dir2_node_addname(struct xfs_da_args *args);
113extern int xfs_dir2_node_lookup(struct xfs_da_args *args);
114extern int xfs_dir2_node_removename(struct xfs_da_args *args);
115extern int xfs_dir2_node_replace(struct xfs_da_args *args);
116extern int xfs_dir2_node_trim_free(struct xfs_da_args *args, xfs_fileoff_t fo,
117		int *rvalp);
118
119/* xfs_dir2_sf.c */
120extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
121extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
122		struct xfs_dir2_sf_entry *sfep);
123extern int xfs_dir2_block_sfsize(struct xfs_inode *dp,
124		struct xfs_dir2_data_hdr *block, struct xfs_dir2_sf_hdr *sfhp);
125extern int xfs_dir2_block_to_sf(struct xfs_da_args *args, struct xfs_dabuf *bp,
126		int size, xfs_dir2_sf_hdr_t *sfhp);
127extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
128extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
129extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
130		xfs_off_t *offset, filldir_t filldir);
131extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
132extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
133extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
134
135#endif /* __XFS_DIR2_PRIV_H__ */