/*
   * Copyright (c) 2000-2006 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_SYNC_H
  #define XFS_SYNC_H 1

  struct xfs_mount;

  struct xfs_perag;

  #define SYNC_WAIT		0x0001	/* wait for i/o to complete */
  #define SYNC_TRYLOCK		0x0002  /* only try to lock inodes */

  extern struct workqueue_struct	*xfs_syncd_wq;	/* sync workqueue */

  int xfs_syncd_init(struct xfs_mount *mp);
  void xfs_syncd_stop(struct xfs_mount *mp);

  int xfs_quiesce_data(struct xfs_mount *mp);

  void xfs_quiesce_attr(struct xfs_mount *mp);

  void xfs_flush_inodes(struct xfs_inode *ip);

  int xfs_log_dirty_inode(struct xfs_inode *ip, struct xfs_perag *pag, int flags);

  int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);

  int xfs_reclaim_inodes_count(struct xfs_mount *mp);
  void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);

  void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);

  void __xfs_inode_set_reclaim_tag(struct xfs_perag *pag, struct xfs_inode *ip);

  void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, struct xfs_perag *pag,
  				struct xfs_inode *ip);

  int xfs_sync_inode_grab(struct xfs_inode *ip);

  int xfs_inode_ag_iterator(struct xfs_mount *mp,
  	int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, int flags),

  	int flags);

  #endif