linux-kernel - [PATCH] mtd: mark block device queue as non-rotational

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Date:	Wed, 28 Sep 2011 00:21:42 -0500
From:	Dan McGee <dpmcgee@...il.com>
To:	linux-mtd@...ts.infradead.org
Cc:	David Woodhouse <dwmw2@...radead.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...il.com>
---
 drivers/mtd/mtd_blkdevs.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

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 @@ 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;
-- 
1.7.6.4

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