[linux-2.6-block.git] / fs / xfs / xfs_refcache.h

/*
 * Copyright (c) 2000-2003,2005 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_REFCACHE_H__
#define __XFS_REFCACHE_H__

#ifdef HAVE_REFCACHE
/*
 * Maximum size (in inodes) for the NFS reference cache
 */
#define XFS_REFCACHE_SIZE_MAX	512

struct xfs_inode;
struct xfs_mount;

extern void xfs_refcache_insert(struct xfs_inode *);
extern void xfs_refcache_purge_ip(struct xfs_inode *);
extern void xfs_refcache_purge_mp(struct xfs_mount *);
extern void xfs_refcache_purge_some(struct xfs_mount *);
extern void xfs_refcache_resize(int);
extern void xfs_refcache_destroy(void);

extern void xfs_refcache_iunlock(struct xfs_inode *, uint);

#else

#define xfs_refcache_insert(ip)		do { } while (0)
#define xfs_refcache_purge_ip(ip)	do { } while (0)
#define xfs_refcache_purge_mp(mp)	do { } while (0)
#define xfs_refcache_purge_some(mp)	do { } while (0)
#define xfs_refcache_resize(size)	do { } while (0)
#define xfs_refcache_destroy()		do { } while (0)

#define xfs_refcache_iunlock(ip, flags)	xfs_iunlock(ip, flags)

#endif

#endif	/* __XFS_REFCACHE_H__ */
Commit	Line	Data
1da177e4	1	/*
7f248a81 NS	2	* Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
7f248a81 NS	3	* All Rights Reserved.
1da177e4	4	*
7f248a81 NS	5	* This program is free software; you can redistribute it and/or
7f248a81 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7f248a81 NS	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.
1da177e4	13	*
7f248a81 NS	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
1da177e4 LT	17	*/
	18	#ifndef __XFS_REFCACHE_H__
	19	#define __XFS_REFCACHE_H__
	20
	21	#ifdef HAVE_REFCACHE
	22	/*
	23	* Maximum size (in inodes) for the NFS reference cache
	24	*/
	25	#define XFS_REFCACHE_SIZE_MAX 512
	26
	27	struct xfs_inode;
	28	struct xfs_mount;
	29
	30	extern void xfs_refcache_insert(struct xfs_inode *);
	31	extern void xfs_refcache_purge_ip(struct xfs_inode *);
	32	extern void xfs_refcache_purge_mp(struct xfs_mount *);
	33	extern void xfs_refcache_purge_some(struct xfs_mount *);
	34	extern void xfs_refcache_resize(int);
	35	extern void xfs_refcache_destroy(void);
	36
	37	extern void xfs_refcache_iunlock(struct xfs_inode *, uint);
	38
	39	#else
	40
	41	#define xfs_refcache_insert(ip) do { } while (0)
	42	#define xfs_refcache_purge_ip(ip) do { } while (0)
	43	#define xfs_refcache_purge_mp(mp) do { } while (0)
	44	#define xfs_refcache_purge_some(mp) do { } while (0)
	45	#define xfs_refcache_resize(size) do { } while (0)
	46	#define xfs_refcache_destroy() do { } while (0)
	47
	48	#define xfs_refcache_iunlock(ip, flags) xfs_iunlock(ip, flags)
	49
	50	#endif
	51
	52	#endif /* __XFS_REFCACHE_H__ */