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
21struct xfs_mount;
22struct 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
27extern struct workqueue_struct	*xfs_syncd_wq;	/* sync workqueue */
28
29int xfs_syncd_init(struct xfs_mount *mp);
30void xfs_syncd_stop(struct xfs_mount *mp);
31
32int xfs_quiesce_data(struct xfs_mount *mp);
33void xfs_quiesce_attr(struct xfs_mount *mp);
34
35void xfs_flush_inodes(struct xfs_inode *ip);
36
37int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
38int xfs_reclaim_inodes_count(struct xfs_mount *mp);
39void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
40
41void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
42void __xfs_inode_set_reclaim_tag(struct xfs_perag *pag, struct xfs_inode *ip);
43void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, struct xfs_perag *pag,
44				struct xfs_inode *ip);
45
46int xfs_sync_inode_grab(struct xfs_inode *ip);
47int 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