mtd: mark block device queue as non-rotational

This is similar to what the nbd driver does, among others.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index ca38569..ed8b5e7 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -426,6 +426,8 @@
 	new->rq->queuedata = new;
 	blk_queue_logical_block_size(new->rq, tr->blksize);
 
+	queue_flag_set_unlocked(QUEUE_FLAG_NONROT, new->rq);
+
 	if (tr->discard) {
 		queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, new->rq);
 		new->rq->limits.max_discard_sectors = UINT_MAX;