1. 根目录:
2. fs
3. xfs
4. xfs_icache.h

/*
 * 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 */

int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
	     uint flags, uint lock_flags, xfs_inode_t **ipp);

void xfs_reclaim_worker(struct work_struct *work);

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_eofblocks_tag(struct xfs_inode *ip);
void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
void xfs_eofblocks_worker(struct work_struct *);

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, void *args),
	int flags, void *args);
int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
	int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag,
		int flags, void *args),
	int flags, void *args, int tag);

#endif