From 91028954119e464ae42350658d46c204d781b484 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sat, 16 Aug 2008 21:15:50 +0200 Subject: [PATCH] mmc_block: indicate strict ordering The MMC block driver services requests one at a time and in strict order. Indicate this to the block layer so that it can handle barriers in an efficient manner. Signed-off-by: Pierre Ossman --- drivers/mmc/card/queue.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 5c8f037..c25c975 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -131,6 +131,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock mq->req = NULL; blk_queue_prep_rq(mq->queue, mmc_prep_request); + blk_queue_ordered(mq->queue, QUEUE_ORDERED_DRAIN, NULL); #ifdef CONFIG_MMC_BLOCK_BOUNCE if (host->max_hw_segs == 1) { -- 2.7.4