--- /dev/null
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * Copyright (C) 2001-2004 Cluster File Systems, Inc. <info@clusterfs.com>
+ *
+ * This file is part of Lustre, http://www.lustre.org.
+ *
+ * Lustre 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.
+ *
+ * Lustre is distributed in the hope that it will 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 Lustre; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Filesystem interface helper.
+ *
+ */
+
+#ifndef _LUSTRE_FSFILT_H
+#define _LUSTRE_FSFILT_H
+
+#if defined(__linux__)
+#include <linux/lustre_fsfilt.h>
+#elif defined(__APPLE__)
+#include <darwin/lustre_fsfilt.h>
+#elif defined(__WINNT__)
+#include <winnt/lustre_fsfilt.h>
+#else
+#error Unsupported operating system.
+#endif
+
+#endif