Re: [PATCH] [v3] blk-mq: add cond_resched() in __blk_mq_alloc_rq_maps()
From: Bart Van Assche <bvanassche@acm.org>
Date: 2020-09-26 04:07:28
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On 2020-09-25 19:39, Xianting Tian wrote:
quoted hunk ↗ jump to hunk
diff --git a/block/blk-mq.c b/block/blk-mq.c index b3d2785ee..62d152d03 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c@@ -3256,9 +3256,11 @@ static int __blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set) { int i; - for (i = 0; i < set->nr_hw_queues; i++) + for (i = 0; i < set->nr_hw_queues; i++) { if (!__blk_mq_alloc_map_and_request(set, i)) goto out_unwind; + cond_resched(); + } return 0;
Reviewed-by: Bart Van Assche <bvanassche@acm.org>