1 /* 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 41 struct xfs_inode; 42 struct xfs_mount; 43 44 extern void xfs_refcache_insert(struct xfs_inode *); 45 extern void xfs_refcache_purge_ip(struct xfs_inode *); 46 extern void xfs_refcache_purge_mp(struct xfs_mount *); 47 extern void xfs_refcache_purge_some(struct xfs_mount *); 48 extern void xfs_refcache_resize(int); 49 extern void xfs_refcache_destroy(void); 50 51 extern 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__ */ 67