q->elevator = old_elevator;
elv_register_queue(q);
clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
q->elevator = old_elevator;
elv_register_queue(q);
clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
list_for_each(entry, &elv_list) {
struct elevator_type *__e;
list_for_each(entry, &elv_list) {
struct elevator_type *__e;