[deliverable/linux.git] / fs / xfs / 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 */

/*
 * Flags for xfs_iget()
 */
#define XFS_IGET_CREATE		0x1
#define XFS_IGET_UNTRUSTED	0x2
#define XFS_IGET_DONTCACHE	0x4

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_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
Commit	Line	Data
	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
	21	struct xfs_mount;
	22	struct 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
	27	/*
	28	* Flags for xfs_iget()
	29	*/
	30	#define XFS_IGET_CREATE 0x1
	31	#define XFS_IGET_UNTRUSTED 0x2
	32	#define XFS_IGET_DONTCACHE 0x4
	33
	34	int xfs_iget(struct xfs_mount mp, struct xfs_trans tp, xfs_ino_t ino,
	35	uint flags, uint lock_flags, xfs_inode_t **ipp);
	36
	37	void xfs_reclaim_worker(struct work_struct *work);
	38
	39	int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
	40	int xfs_reclaim_inodes_count(struct xfs_mount *mp);
	41	void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
	42
	43	void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
	44
	45	void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
	46	void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
	47	int xfs_icache_free_eofblocks(struct xfs_mount , struct xfs_eofblocks );
	48	void xfs_eofblocks_worker(struct work_struct *);
	49
	50	int xfs_inode_ag_iterator(struct xfs_mount *mp,
	51	int (execute)(struct xfs_inode ip, struct xfs_perag *pag,
	52	int flags, void *args),
	53	int flags, void *args);
	54	int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
	55	int (execute)(struct xfs_inode ip, struct xfs_perag *pag,
	56	int flags, void *args),
	57	int flags, void *args, int tag);
	58
	59	#endif