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null_blk: simplify logic for use_per_node_hctx

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make sure submit_queues equal nr_online_nodes.

Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
weiping zhang 2017-08-03 00:26:39 +08:00 committed by Jens Axboe
parent 3d289d6882
commit 558ab300c8
1 changed files with 2 additions and 5 deletions
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7
drivers/block/null_blk.c
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@ -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;
}