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 <drzeus@drzeus.cx>

parent f3eb0aaa

drivers/mmc/card/queue.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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) {