Commit 558ab300 authored by weiping zhang's avatar weiping zhang Committed by Jens Axboe
Browse files

null_blk: simplify logic for use_per_node_hctx 



make sure submit_queues equal nr_online_nodes.

Signed-off-by: default avatarweiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3d289d68

drivers/block/null_blk.c

+2 −5
Original line number Diff line number Diff line
@@ -733,9 +733,6 @@ static int null_add_dev(void) 


	spin_lock_init(&nullb->lock);



	if (queue_mode == NULL_Q_MQ && use_per_node_hctx)

		submit_queues = nr_online_nodes;



	rv = setup_queues(nullb);

	if (rv)

		goto out_free_nullb;
@@ -845,8 +842,8 @@ static int __init null_init(void) 
	}



	if (queue_mode == NULL_Q_MQ && use_per_node_hctx) {

		if (submit_queues < nr_online_nodes) {

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

		if (submit_queues != nr_online_nodes) {

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

							nr_online_nodes);

			submit_queues = nr_online_nodes;

		}