diff --git a/[refs] b/[refs]
index 0de5fffda575..5cd3629589c2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 740216fc59cba54f65187c9ed92f29bce3cf8778
+refs/heads/master: 7547881d0951384f9833ec3a80fac8f3f16f3b98
diff --git a/trunk/drivers/block/nvme.c b/trunk/drivers/block/nvme.c
index df1d8bda8c7c..af45e286d5dd 100644
--- a/trunk/drivers/block/nvme.c
+++ b/trunk/drivers/block/nvme.c
@@ -246,9 +246,9 @@ static int nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd)
 	spin_lock_irqsave(&nvmeq->q_lock, flags);
 	tail = nvmeq->sq_tail;
 	memcpy(&nvmeq->sq_cmds[tail], cmd, sizeof(*cmd));
-	writel(tail, nvmeq->q_db);
 	if (++tail == nvmeq->q_depth)
 		tail = 0;
+	writel(tail, nvmeq->q_db);
 	nvmeq->sq_tail = tail;
 	spin_unlock_irqrestore(&nvmeq->q_lock, flags);
 
@@ -471,9 +471,9 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
 	cmnd->rw.control = cpu_to_le16(control);
 	cmnd->rw.dsmgmt = cpu_to_le32(dsmgmt);
 
-	writel(nvmeq->sq_tail, nvmeq->q_db);
 	if (++nvmeq->sq_tail == nvmeq->q_depth)
 		nvmeq->sq_tail = 0;
+	writel(nvmeq->sq_tail, nvmeq->q_db);
 
 	return 0;