rem: dprintf("read_vnode\n");
add: DEBUG_INIT(CF_ENTRY | CF_VOLUME_OPS);
context: udf_read_vnode(void *ns, vnode_id id, char reenter, void **node){	dprintf("read_vnode\n");	// FUNCTION_START(("vnode_id = %lld\n", id));	if (id == 1) {		*node = (void*)0;		return B_OK;	} else		return B_ERROR;}