LXR linux/fs/xfs/xfs

   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
  21struct xfs_bmap_free;
  22struct xfs_da_args;
  23struct xfs_inode;
  24struct xfs_mount;
  25struct xfs_trans;
  26
  27extern struct xfs_name  xfs_name_dotdot;
  28
  29/*
  30 * Generic directory interface routines
  31 */
  32extern void xfs_dir_startup(void);
  33extern void xfs_dir_mount(struct xfs_mount *mp);
  34extern int xfs_dir_isempty(struct xfs_inode *dp);
  35extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
  36                                struct xfs_inode *pdp);
  37extern 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);
  41extern 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);
  44extern 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);
  48extern 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);
  52extern 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 */
  58extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
  59
  60#endif  /* __XFS_DIR2_H__ */
  61