--- /dev/null
+/*
+ * UNFS3 cluster extensions
+ * (C) 2003, Pascal Schmidt
+ * see file LICENSE for license details
+ */
+
+#ifndef UNFS3_CLUSTER_H
+#define UNFS3_CLUSTER_H
+
+#ifdef WANT_CLUSTER
+
+#define CLU_TOOLONG 0 /* name got too long */
+#define CLU_SLAVE 1 /* slave file matched */
+#define CLU_MASTER 2 /* master file matched */
+#define CLU_IO 3 /* I/O error */
+
+void cluster_lookup(char *path, struct svc_req *rqstp, nfsstat3 *nstat);
+void cluster_create(char *path, struct svc_req *rqstp, nfsstat3 *nstat);
+
+#else
+
+#define cluster_lookup(x,y,z)
+#define cluster_create(x,y,z)
+
+#endif
+
+#endif