projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 7b718769 NS |
2 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| 1da177e4 | 4 | * |
| 7b718769 NS |
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 | |
| 1da177e4 LT |
7 | * published by the Free Software Foundation. |
| 8 | * | |
| 7b718769 NS |
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. | |
| 1da177e4 | 13 | * |
| 7b718769 NS |
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 | |
| 1da177e4 LT |
17 | */ |
| 18 | #ifndef __XFS_DIR2_H__ | |
| 57926640 | 19 | #define __XFS_DIR2_H__ |
| 1da177e4 | 20 | |
| f6c2d1fa | 21 | struct xfs_bmap_free; |
| 57926640 | 22 | struct xfs_da_args; |
| 1da177e4 | 23 | struct xfs_inode; |
| f6c2d1fa | 24 | struct xfs_mount; |
| 1da177e4 | 25 | struct xfs_trans; |
| 2b9ab5ab DC |
26 | struct xfs_dir2_sf_hdr; |
| 27 | struct xfs_dir2_sf_entry; | |
| 28 | struct xfs_dir2_data_hdr; | |
| 29 | struct xfs_dir2_data_entry; | |
| 30 | struct xfs_dir2_data_unused; | |
| 1da177e4 | 31 | |
| 556b8b16 BN |
32 | extern struct xfs_name xfs_name_dotdot; |
| 33 | ||
| 1da177e4 | 34 | /* |
| f6c2d1fa NS |
35 | * Generic directory interface routines |
| 36 | */ | |
| 37 | extern void xfs_dir_startup(void); | |
| 38 | extern void xfs_dir_mount(struct xfs_mount *mp); | |
| 39 | extern int xfs_dir_isempty(struct xfs_inode *dp); | |
| 40 | extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, | |
| 41 | struct xfs_inode *pdp); | |
| 42 | extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, | |
| 556b8b16 | 43 | struct xfs_name *name, xfs_ino_t inum, |
| f6c2d1fa NS |
44 | xfs_fsblock_t *first, |
| 45 | struct xfs_bmap_free *flist, xfs_extlen_t tot); | |
| 46 | extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, | |
| 384f3ced BN |
47 | struct xfs_name *name, xfs_ino_t *inum, |
| 48 | struct xfs_name *ci_name); | |
| f6c2d1fa | 49 | extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, |
| 556b8b16 | 50 | struct xfs_name *name, xfs_ino_t ino, |
| f6c2d1fa NS |
51 | xfs_fsblock_t *first, |
| 52 | struct xfs_bmap_free *flist, xfs_extlen_t tot); | |
| f6c2d1fa | 53 | extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, |
| 556b8b16 | 54 | struct xfs_name *name, xfs_ino_t inum, |
| f6c2d1fa NS |
55 | xfs_fsblock_t *first, |
| 56 | struct xfs_bmap_free *flist, xfs_extlen_t tot); | |
| 57 | extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, | |
| 556b8b16 | 58 | struct xfs_name *name, uint resblks); |
| f6c2d1fa NS |
59 | |
| 60 | /* | |
| 57926640 | 61 | * Direct call from the bmap code, bypassing the generic directory layer. |
| 1da177e4 | 62 | */ |
| 57926640 | 63 | extern int xfs_dir2_sf_to_block(struct xfs_da_args *args); |
| 384f3ced | 64 | |
| 2b9ab5ab DC |
65 | /* |
| 66 | * Interface routines used by userspace utilities | |
| 67 | */ | |
| 68 | extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp); | |
| 69 | extern void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *sfp, | |
| 70 | xfs_ino_t ino); | |
| 0cb97766 DC |
71 | extern xfs_ino_t xfs_dir3_sfe_get_ino(struct xfs_mount *mp, |
| 72 | struct xfs_dir2_sf_hdr *sfp, struct xfs_dir2_sf_entry *sfep); | |
| 50fc5f7a DC |
73 | extern void xfs_dir3_sfe_put_ino(struct xfs_mount *mp, |
| 74 | struct xfs_dir2_sf_hdr *hdr, struct xfs_dir2_sf_entry *sfep, | |
| 75 | xfs_ino_t ino); | |
| 2b9ab5ab DC |
76 | |
| 77 | extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r); | |
| 78 | extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r); | |
| 79 | extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db, | |
| 80 | struct xfs_buf *bp); | |
| 81 | ||
| 82 | extern void xfs_dir2_data_freescan(struct xfs_mount *mp, | |
| 83 | struct xfs_dir2_data_hdr *hdr, int *loghead); | |
| 84 | extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp, | |
| 85 | struct xfs_dir2_data_entry *dep); | |
| 86 | extern void xfs_dir2_data_log_header(struct xfs_trans *tp, | |
| 87 | struct xfs_buf *bp); | |
| 88 | extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp, | |
| 89 | struct xfs_dir2_data_unused *dup); | |
| 90 | extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp, | |
| 91 | xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len, | |
| 92 | int *needlogp, int *needscanp); | |
| 93 | extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp, | |
| 94 | struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset, | |
| 95 | xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp); | |
| 96 | ||
| 97 | extern struct xfs_dir2_data_free *xfs_dir2_data_freefind( | |
| 98 | struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_unused *dup); | |
| 99 | ||
| 100 | extern const struct xfs_buf_ops xfs_dir3_block_buf_ops; | |
| 101 | extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops; | |
| 102 | extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops; | |
| 103 | extern const struct xfs_buf_ops xfs_dir3_free_buf_ops; | |
| 104 | extern const struct xfs_buf_ops xfs_dir3_data_buf_ops; | |
| 105 | ||
| 1da177e4 | 106 | #endif /* __XFS_DIR2_H__ */ |