xfs: split out inode walk inode grabbing
[deliverable/linux.git] / fs / xfs / linux-2.6 / xfs_sync.h
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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 */
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18#ifndef XFS_SYNC_H
19#define XFS_SYNC_H 1
20
a167b17e 21struct xfs_mount;
fcafb71b 22struct xfs_perag;
a167b17e 23
a8d770d9 24typedef struct xfs_sync_work {
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25 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 *);
e43afd72 29 struct completion *w_completion;
a8d770d9 30} xfs_sync_work_t;
a167b17e 31
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32#define SYNC_WAIT 0x0001 /* wait for i/o to complete */
33#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
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34
35int xfs_syncd_init(struct xfs_mount *mp);
36void xfs_syncd_stop(struct xfs_mount *mp);
37
e9f1c6ee 38int xfs_quiesce_data(struct xfs_mount *mp);
76bf105c 39void xfs_quiesce_attr(struct xfs_mount *mp);
fe4fa4b8 40
a8d770d9 41void xfs_flush_inodes(struct xfs_inode *ip);
a167b17e 42
abc10647 43int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
fce08f2f 44
396beb85 45void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
bc990f5c 46void __xfs_inode_set_reclaim_tag(struct xfs_perag *pag, struct xfs_inode *ip);
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47void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, struct xfs_perag *pag,
48 struct xfs_inode *ip);
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49
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),
65d0f205 53 int flags);
9bf729c0 54
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55void xfs_inode_shrinker_register(struct xfs_mount *mp);
56void xfs_inode_shrinker_unregister(struct xfs_mount *mp);
fe588ed3 57
fe4fa4b8 58#endif
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