106 lines
4.1 KiB
C
106 lines
4.1 KiB
C
/*
|
|
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#ifndef __XFS_DIR2_H__
|
|
#define __XFS_DIR2_H__
|
|
|
|
struct xfs_bmap_free;
|
|
struct xfs_da_args;
|
|
struct xfs_inode;
|
|
struct xfs_mount;
|
|
struct xfs_trans;
|
|
struct xfs_dir2_sf_hdr;
|
|
struct xfs_dir2_sf_entry;
|
|
struct xfs_dir2_data_hdr;
|
|
struct xfs_dir2_data_entry;
|
|
struct xfs_dir2_data_unused;
|
|
|
|
extern struct xfs_name xfs_name_dotdot;
|
|
|
|
/*
|
|
* Generic directory interface routines
|
|
*/
|
|
extern void xfs_dir_startup(void);
|
|
extern void xfs_dir_mount(struct xfs_mount *mp);
|
|
extern int xfs_dir_isempty(struct xfs_inode *dp);
|
|
extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
struct xfs_inode *pdp);
|
|
extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
struct xfs_name *name, xfs_ino_t inum,
|
|
xfs_fsblock_t *first,
|
|
struct xfs_bmap_free *flist, xfs_extlen_t tot);
|
|
extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
struct xfs_name *name, xfs_ino_t *inum,
|
|
struct xfs_name *ci_name);
|
|
extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
struct xfs_name *name, xfs_ino_t ino,
|
|
xfs_fsblock_t *first,
|
|
struct xfs_bmap_free *flist, xfs_extlen_t tot);
|
|
extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
struct xfs_name *name, xfs_ino_t inum,
|
|
xfs_fsblock_t *first,
|
|
struct xfs_bmap_free *flist, xfs_extlen_t tot);
|
|
extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
|
|
struct xfs_name *name, uint resblks);
|
|
|
|
/*
|
|
* Direct call from the bmap code, bypassing the generic directory layer.
|
|
*/
|
|
extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
|
|
|
|
/*
|
|
* Interface routines used by userspace utilities
|
|
*/
|
|
extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
|
|
extern void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *sfp,
|
|
xfs_ino_t ino);
|
|
extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
|
|
struct xfs_dir2_sf_entry *sfep);
|
|
extern void xfs_dir2_sfe_put_ino( struct xfs_dir2_sf_hdr *,
|
|
struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino);
|
|
|
|
extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
|
|
extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
|
|
extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
|
|
struct xfs_buf *bp);
|
|
|
|
extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
|
|
struct xfs_dir2_data_hdr *hdr, int *loghead);
|
|
extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp,
|
|
struct xfs_dir2_data_entry *dep);
|
|
extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
|
|
struct xfs_buf *bp);
|
|
extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
|
|
struct xfs_dir2_data_unused *dup);
|
|
extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp,
|
|
xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
|
|
int *needlogp, int *needscanp);
|
|
extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp,
|
|
struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset,
|
|
xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
|
|
|
|
extern struct xfs_dir2_data_free *xfs_dir2_data_freefind(
|
|
struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_unused *dup);
|
|
|
|
extern const struct xfs_buf_ops xfs_dir3_block_buf_ops;
|
|
extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops;
|
|
extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops;
|
|
extern const struct xfs_buf_ops xfs_dir3_free_buf_ops;
|
|
extern const struct xfs_buf_ops xfs_dir3_data_buf_ops;
|
|
|
|
#endif /* __XFS_DIR2_H__ */
|