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authorPierre Ossman <drzeus@drzeus.cx>2008-08-16 21:15:50 +0200
committerPierre Ossman <drzeus@drzeus.cx>2008-10-12 11:04:31 +0200
commit91028954119e464ae42350658d46c204d781b484 (patch)
tree54133426c2f4a9a0d42760ee3b765e5e995812d5
parentf3eb0aaa0211fd804057070bee1fd067cd65cb13 (diff)
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>
-rw-r--r--drivers/mmc/card/queue.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 5c8f037dca6..c25c975bdc3 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) {