NVMe: Rate limit nvme IO warnings

We don't need to spam the kernel logs with thousands of IO cancelling
messages. We can infer all IO's are being cancelled with fewer, or
even none at all. This patch rate limits the message and uses the debug
log level as it is mainly used for testing purposes.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
(cherry picked from commit f8e68a7c9af5f8047f7f8295874bedf306063709)

Orabug: 25130845

Signed-off-by: Ashok Vairavan <ashok.vairavan@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 283a58c12edd068f83cf0db0d97e02074e61ddea..06c323d2abc5add12c826d74d8b14240bbbc644d 100644 (file)
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1030,7 +1030,7 @@ static void nvme_cancel_queue_ios(struct request *req, void *data, bool reserved
        if (!blk_mq_request_started(req))
                return;
 
-       dev_warn(nvmeq->dev->ctrl.device,
+       dev_dbg_ratelimited(nvmeq->dev->ctrl.device,
                 "Cancelling I/O %d QID %d\n", req->tag, nvmeq->qid);
 
        status = NVME_SC_ABORT_REQ;