On Fri, Mar 04, 2022 at 06:55:55PM +0100, Christoph Hellwig wrote:

-	ctrl->nssa = le16_to_cpu(s.nssa);
-	if (ctrl->nssa < BLK_MAX_WRITE_HINTS - 1) {
-		dev_info(ctrl->device, "too few streams (%u) available\n",
-					ctrl->nssa);
-		goto out_disable_stream;
-	}

Just fyi, looks like the patch was built against an older version of the
driver, so it doesn't apply cleanly to nvme-5.18 at the above part.

Also please consider folding the following in this patch since it removes all
nr_streams use:

---

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 587d92df118b..1bed663322ee 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h

@@ -280,7 +280,6 @@ struct nvme_ctrl {
 	u16 crdt[3];
 	u16 oncs;
 	u16 oacs;
-	u16 nr_streams;
 	u16 sqsize;
 	u32 max_namespaces;
 	atomic_t abort_limit;
--