fs/xfs/xfs_sync.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 extern struct workqueue_struct  *xfs_syncd_wq;  /* sync workqueue */
  28
  29 int xfs_syncd_init(struct xfs_mount *mp);
  30 void xfs_syncd_stop(struct xfs_mount *mp);
  31
  32 int xfs_quiesce_data(struct xfs_mount *mp);
  33 void xfs_quiesce_attr(struct xfs_mount *mp);
  34
  35 void xfs_flush_inodes(struct xfs_inode *ip);
  36
  37 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
  38 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
  39 void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
  40
  41 void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
  42 void __xfs_inode_set_reclaim_tag(struct xfs_perag *pag, struct xfs_inode *ip);
  43 void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, struct xfs_perag *pag,
  44                                 struct xfs_inode *ip);
  45
  46 int xfs_sync_inode_grab(struct xfs_inode *ip);
  47 int xfs_inode_ag_iterator(struct xfs_mount *mp,
  48         int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, int flags),
  49         int flags);
  50
  51 #endif