WSL2-Linux-Kernel/fs/xfs/xfs_refcache.h

67 строки
2.3 KiB
C

/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 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.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#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__ */