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