rem: DEBUG_INIT(CF_ENTRY | CF_VOLUME_OPS, NULL);
add: DEBUG_INIT(NULL);
context: udf_setflags(void *ns, void *node, void *cookie, int flags){	DEBUG_INIT(CF_ENTRY | CF_VOLUME_OPS, NULL);	// FUNCTION_START(("node: %p, flags: %d", node, flags));	RETURN(B_ERROR);}