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 24typedef struct xfs_sync_work { 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 *); 29 struct completion *w_completion; 30} xfs_sync_work_t; 31 32#define SYNC_WAIT 0x0001 /* wait for i/o to complete */ 33#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */ 34 35int xfs_syncd_init(struct xfs_mount *mp); 36void xfs_syncd_stop(struct xfs_mount *mp); 37 38int xfs_quiesce_data(struct xfs_mount *mp); 39void xfs_quiesce_attr(struct xfs_mount *mp); 40 41void xfs_flush_inodes(struct xfs_inode *ip); 42 43int xfs_reclaim_inodes(struct xfs_mount *mp, int mode); 44 45void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); 46void __xfs_inode_set_reclaim_tag(struct xfs_perag *pag, struct xfs_inode *ip); 47void __xfs_inode_clear_reclaim_tag(struct xfs_mount *mp, struct xfs_perag *pag, 48 struct xfs_inode *ip); 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), 53 int flags, int tag, int write_lock, int *nr_to_scan); 54 55void xfs_inode_shrinker_register(struct xfs_mount *mp); 56void xfs_inode_shrinker_unregister(struct xfs_mount *mp); 57 58#endif 59