blob: cd8ddfd35d6943707879cff096400db3a20129ab [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
25 *
26 * http://www.sgi.com
27 *
28 * For further information regarding this notice, see:
29 *
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31 */
32#ifndef __XFS_REFCACHE_H__
33#define __XFS_REFCACHE_H__
34
35#ifdef HAVE_REFCACHE
36/*
37 * Maximum size (in inodes) for the NFS reference cache
38 */
39#define XFS_REFCACHE_SIZE_MAX 512
40
41struct xfs_inode;
42struct xfs_mount;
43
44extern void xfs_refcache_insert(struct xfs_inode *);
45extern void xfs_refcache_purge_ip(struct xfs_inode *);
46extern void xfs_refcache_purge_mp(struct xfs_mount *);
47extern void xfs_refcache_purge_some(struct xfs_mount *);
48extern void xfs_refcache_resize(int);
49extern void xfs_refcache_destroy(void);
50
51extern void xfs_refcache_iunlock(struct xfs_inode *, uint);
52
53#else
54
55#define xfs_refcache_insert(ip) do { } while (0)
56#define xfs_refcache_purge_ip(ip) do { } while (0)
57#define xfs_refcache_purge_mp(mp) do { } while (0)
58#define xfs_refcache_purge_some(mp) do { } while (0)
59#define xfs_refcache_resize(size) do { } while (0)
60#define xfs_refcache_destroy() do { } while (0)
61
62#define xfs_refcache_iunlock(ip, flags) xfs_iunlock(ip, flags)
63
64#endif
65
66#endif /* __XFS_REFCACHE_H__ */