mtd: mark block device queue as non-rotational
authorDan McGee <dpmcgee@gmail.com>
Wed, 28 Sep 2011 05:21:42 +0000 (00:21 -0500)
committerArtem Bityutskiy <artem.bityutskiy@intel.com>
Fri, 14 Oct 2011 08:22:48 +0000 (11:22 +0300)
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>
drivers/mtd/mtd_blkdevs.c

index ca385697446ece7ebfe387a4cd99b41cbca9ebbc..ed8b5e744b12abc15b0db0189c972b3331bd1f0b 100644 (file)
@@ -426,6 +426,8 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
        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;