blob: fe78726196f8200cd777298e82560f12f180e23c [file] [log] [blame]
David Chinnera167b172008-10-30 17:06:18 +11001/*
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 */
David Chinnerfe4fa4b2008-10-30 17:06:08 +110018#ifndef XFS_SYNC_H
19#define XFS_SYNC_H 1
20
David Chinnera167b172008-10-30 17:06:18 +110021struct xfs_mount;
Christoph Hellwigfcafb712009-02-09 08:47:34 +010022struct xfs_perag;
David Chinnera167b172008-10-30 17:06:18 +110023
Dave Chinnera8d770d2009-04-06 18:44:54 +020024typedef struct xfs_sync_work {
David Chinnera167b172008-10-30 17:06:18 +110025 struct list_head w_list;
26 struct xfs_mount *w_mount;
27 void *w_data; /* syncer routine argument */
28 void (*w_syncer)(struct xfs_mount *, void *);
Dave Chinnere43afd72009-04-06 18:47:27 +020029 struct completion *w_completion;
Dave Chinnera8d770d2009-04-06 18:44:54 +020030} xfs_sync_work_t;
David Chinnera167b172008-10-30 17:06:18 +110031
Christoph Hellwig8b5403a2009-06-08 15:37:16 +020032#define SYNC_WAIT 0x0001 /* wait for i/o to complete */
33#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
David Chinnera167b172008-10-30 17:06:18 +110034
35int xfs_syncd_init(struct xfs_mount *mp);
36void xfs_syncd_stop(struct xfs_mount *mp);
37
David Chinnere9f1c6e2008-10-30 17:15:50 +110038int xfs_quiesce_data(struct xfs_mount *mp);
David Chinner76bf1052008-10-30 17:16:21 +110039void xfs_quiesce_attr(struct xfs_mount *mp);
David Chinnerfe4fa4b2008-10-30 17:06:08 +110040
Dave Chinnera8d770d2009-04-06 18:44:54 +020041void xfs_flush_inodes(struct xfs_inode *ip);
David Chinnera167b172008-10-30 17:06:18 +110042
Dave Chinnerabc10642009-06-08 15:35:12 +020043int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
David Chinnerfce08f22008-10-30 17:37:03 +110044
David Chinner396beb82008-10-30 17:37:26 +110045void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
Christoph Hellwigbc990f52009-08-16 20:36:34 -040046void __xfs_inode_set_reclaim_tag(struct xfs_perag *pag, struct xfs_inode *ip);
David Chinner396beb82008-10-30 17:37:26 +110047void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, struct xfs_perag *pag,
48 struct xfs_inode *ip);
Christoph Hellwigfe588ed2009-06-08 15:35:27 +020049
50int xfs_sync_inode_valid(struct xfs_inode *ip, struct xfs_perag *pag);
51int xfs_inode_ag_iterator(struct xfs_mount *mp,
52 int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, int flags),
Dave Chinner9bf729c2010-04-29 09:55:50 +100053 int flags, int tag, int write_lock, int *nr_to_scan);
54
Dave Chinner9bf729c2010-04-29 09:55:50 +100055void xfs_inode_shrinker_register(struct xfs_mount *mp);
56void xfs_inode_shrinker_unregister(struct xfs_mount *mp);
Christoph Hellwigfe588ed2009-06-08 15:35:27 +020057
David Chinnerfe4fa4b2008-10-30 17:06:08 +110058#endif