diff --git a/block/elevator.c b/block/elevator.c index ba072d8f660e..9c9bafe0e267 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -575,8 +575,13 @@ static struct elevator_type *elevator_get_default(struct request_queue *q) if (q->nr_hw_queues != 1 && !blk_mq_is_shared_tags(q->tag_set->flags)) return NULL; - +#if defined(CONFIG_IOSCHED_BFQ) + if (!blk_queue_nonrot(q)) + return elevator_find_get(q, "bfq"); + return elevator_find_get(q, "mq-deadline"); +#else return elevator_find_get(q, "mq-deadline"); +#endif } /*