diff --git a/block/elevator.c b/block/elevator.c index 766deaf34214..4e58379c4d88 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -676,10 +676,6 @@ int elevator_switch(struct request_queue *q, const char *name) */ static int elevator_change(struct request_queue *q, const char *elevator_name) { - /* Make sure queue is not in the middle of being removed */ - if (!blk_queue_registered(q)) - return -ENOENT; - if (q->elevator && elevator_match(q->elevator->type, elevator_name)) return 0; @@ -708,6 +704,10 @@ ssize_t elv_iosched_store(struct gendisk *disk, const char *buf, struct request_queue *q = disk->queue; struct blk_mq_tag_set *set = q->tag_set; + /* Make sure queue is not in the middle of being removed */ + if (!blk_queue_registered(q)) + return -ENOENT; + /* * If the attribute needs to load a module, do it before freezing the * queue to ensure that the module file can be read when the request