fs/xfs/xfs_icache.h

   1 /*
   2  * Copyright (c) 2000-2006 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_SYNC_H
  19 #define XFS_SYNC_H 1
  20
  21 struct xfs_mount;
  22 struct xfs_perag;
  23
  24 #define SYNC_WAIT               0x0001  /* wait for i/o to complete */
  25 #define SYNC_TRYLOCK            0x0002  /* only try to lock inodes */
  26
  27 /*
  28  * Flags for xfs_iget()
  29  */
  30 #define XFS_IGET_CREATE         0x1
  31 #define XFS_IGET_UNTRUSTED      0x2
  32 #define XFS_IGET_DONTCACHE      0x4
  33
  34 int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
  35              uint flags, uint lock_flags, xfs_inode_t **ipp);
  36
  37 void xfs_reclaim_worker(struct work_struct *work);
  38
  39 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
  40 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
  41 void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
  42
  43 void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
  44
  45 void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
  46 void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
  47 int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
  48 void xfs_eofblocks_worker(struct work_struct *);
  49
  50 int xfs_inode_ag_iterator(struct xfs_mount *mp,
  51         int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag,
  52                 int flags, void *args),
  53         int flags, void *args);
  54 int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
  55         int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag,
  56                 int flags, void *args),
  57         int flags, void *args, int tag);
  58
  59 #endif