From: Nick Piggin Date: Wed, 15 Apr 2009 08:27:07 +0000 (+0200) Subject: brd: support barriers X-Git-Tag: upstream/snapshot3+hdmi~19140^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dfbc4752eab33e66f113f9daa2effbe241cd661d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git brd: support barriers brd is always ordered (not that it matters, as it is defined not to survive when the system goes down). So tell the block layer it is ordered, which might be of help with testing filesystems. Signed-off-by: Nick Piggin Signed-off-by: Jens Axboe --- diff --git a/drivers/block/brd.c b/drivers/block/brd.c index bdd4f5f..ee8ed68 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -436,6 +436,7 @@ static struct brd_device *brd_alloc(int i) if (!brd->brd_queue) goto out_free_dev; blk_queue_make_request(brd->brd_queue, brd_make_request); + blk_queue_ordered(brd->brd_queue, QUEUE_ORDERED_TAG, NULL); blk_queue_max_sectors(brd->brd_queue, 1024); blk_queue_bounce_limit(brd->brd_queue, BLK_BOUNCE_ANY);