patch-2.4.25 linux-2.4.25/fs/xfs/xfs_refcache.h

• Lines: 67
• Date: 2004-02-18 05:36:32.000000000 -0800
• Orig file: linux-2.4.24/fs/xfs/xfs_refcache.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.24/fs/xfs/xfs_refcache.h linux-2.4.25/fs/xfs/xfs_refcache.h
@@ -0,0 +1,66 @@
+/*
+ * 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__ */