fs/xfs/xfs_dir2.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_H__
  19 #define __XFS_DIR2_H__
  20
  21 struct xfs_bmap_free;
  22 struct xfs_da_args;
  23 struct xfs_inode;
  24 struct xfs_mount;
  25 struct xfs_trans;
  26
  27 extern struct xfs_name  xfs_name_dotdot;
  28
  29 /*
  30  * Generic directory interface routines
  31  */
  32 extern void xfs_dir_startup(void);
  33 extern void xfs_dir_mount(struct xfs_mount *mp);
  34 extern int xfs_dir_isempty(struct xfs_inode *dp);
  35 extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
  36                                 struct xfs_inode *pdp);
  37 extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
  38                                 struct xfs_name *name, xfs_ino_t inum,
  39                                 xfs_fsblock_t *first,
  40                                 struct xfs_bmap_free *flist, xfs_extlen_t tot);
  41 extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
  42                                 struct xfs_name *name, xfs_ino_t *inum,
  43                                 struct xfs_name *ci_name);
  44 extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
  45                                 struct xfs_name *name, xfs_ino_t ino,
  46                                 xfs_fsblock_t *first,
  47                                 struct xfs_bmap_free *flist, xfs_extlen_t tot);
  48 extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
  49                                 struct xfs_name *name, xfs_ino_t inum,
  50                                 xfs_fsblock_t *first,
  51                                 struct xfs_bmap_free *flist, xfs_extlen_t tot);
  52 extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
  53                                 struct xfs_name *name, uint resblks);
  54
  55 /*
  56  * Direct call from the bmap code, bypassing the generic directory layer.
  57  */
  58 extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
  59
  60 #endif  /* __XFS_DIR2_H__ */