diff --git a/[refs] b/[refs]
index c990eeb48712..f3dbe52dce23 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6f0f54499f2edf7e25410cdd99e6f030f3485fd1
+refs/heads/master: eac623ba7a91474a688eb5d0fcd0eaa6a56dc41c
diff --git a/trunk/drivers/block/nvme.c b/trunk/drivers/block/nvme.c
index 843edbd79c56..f5e51a6116e3 100644
--- a/trunk/drivers/block/nvme.c
+++ b/trunk/drivers/block/nvme.c
@@ -325,6 +325,8 @@ static void bio_completion(struct nvme_queue *nvmeq, void *ctx,
 	if (status) {
 		bio_endio(bio, -EIO);
 	} else if (bio->bi_vcnt > bio->bi_idx) {
+		if (bio_list_empty(&nvmeq->sq_cong))
+			add_wait_queue(&nvmeq->sq_full, &nvmeq->sq_cong_wait);
 		bio_list_add(&nvmeq->sq_cong, bio);
 		wake_up_process(nvme_thread);
 	} else {