Commit f8e68a7c authored Feb 11, 2016 by Keith Busch Committed by Jens Axboe Feb 12, 2016

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>

parent ff23a2a1

drivers/nvme/host/pci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1004,7 +1004,7 @@ static void nvme_cancel_queue_ios(struct request req, void data, bool reserved
		if (!blk_mq_request_started(req))
		return;

		dev_warn(nvmeq->q_dmadev,
		dev_dbg_ratelimited(nvmeq->q_dmadev,
		"Cancelling I/O %d QID %d\n", req->tag, nvmeq->qid);

		status = NVME_SC_ABORT_REQ;

Admin message