Commit d15ee6b1 authored by Matias Bjorling's avatar Matias Bjorling Committed by Jens Axboe
Browse files

null_blk: warning on ignored submit_queues param 



Let the user know when the number of submission queues are being
ignored.

Signed-off-by: default avatarMatias Bjorling <m@bjorling.me>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2d263a78

drivers/block/null_blk.c

+5 −2
Original line number Diff line number Diff line
@@ -590,9 +590,12 @@ static int __init null_init(void) 
	}

#endif



	if (queue_mode == NULL_Q_MQ && use_per_node_hctx)

	if (queue_mode == NULL_Q_MQ && use_per_node_hctx) {

		if (submit_queues > 0)

			pr_warn("null_blk: submit_queues param is set to %u.",

							nr_online_nodes);

		submit_queues = nr_online_nodes;

	else if (submit_queues > nr_cpu_ids)

	} else if (submit_queues > nr_cpu_ids)

		submit_queues = nr_cpu_ids;

	else if (!submit_queues)

		submit_queues = 1;