linux-sg2042/fs/xfs/xfs_refcache.h

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/*
* 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__ */