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-rw-r--r--block/blk-mq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index ad69ef657e85..9541f5111ba6 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -81,7 +81,7 @@ static int blk_mq_queue_enter(struct request_queue *q)
int ret;
__percpu_counter_add(&q->mq_usage_counter, 1, 1000000);
- smp_wmb();
+ smp_mb();
/* we have problems freezing the queue if it's initializing */
if (!blk_queue_dying(q) &&