+/*
+ * Operation unsupported under this file system.
+ */
+int
+fs_nosys(void)
+{
+ return ENOSYS;
+}
+
+/*
+ * Stub for inactive, strategy, and read/write lock/unlock. Does nothing.
+ */
+/* ARGSUSED */
+void
+fs_noval(void)
+{
+}
+
+/*
+ * vnode pcache layer for vnode_tosspages.
+ * 'last' parameter unused but left in for IRIX compatibility
+ */