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mtd: mark block device queue as non-rotational
author
Dan McGee
<dpmcgee@gmail.com>
Wed, 28 Sep 2011 05:21:42 +0000
(
00:21
-0500)
committer
Artem 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
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diff --git
a/drivers/mtd/mtd_blkdevs.c
b/drivers/mtd/mtd_blkdevs.c
index
ca38569
..
ed8b5e7
100644
(file)
--- a/
drivers/mtd/mtd_blkdevs.c
+++ b/
drivers/mtd/mtd_blkdevs.c
@@
-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;