diff options
Diffstat (limited to 'block/blk-mq.c')
| -rw-r--r-- | block/blk-mq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index d85fe01c44ef..38f4a165640d 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1795,8 +1795,12 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set) if (!q) goto err_hctxs; + /* + * Init percpu_ref in atomic mode so that it's faster to shutdown. + * See blk_register_queue() for details. + */ if (percpu_ref_init(&q->mq_usage_counter, blk_mq_usage_counter_release, - 0, GFP_KERNEL)) + PERCPU_REF_INIT_ATOMIC, GFP_KERNEL)) goto err_map; setup_timer(&q->timeout, blk_mq_rq_timer, (unsigned long) q); |
