Unverified Commit e002a67f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15579 block: Fix handling of offline queues in blk_mq_alloc_request_hctx() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Qixing <zhengqixing@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/IOBGJ76FINO25KRKZESIBANGZB2KG3PV/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBP1ZW 
 
Link:https://gitee.com/openeuler/kernel/pulls/15579

 

Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents ea1d9d47 2b22a1eb

block/blk-mq.c

+4 −0
Original line number Diff line number Diff line
@@ -515,6 +515,10 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q, 
		return ERR_PTR(-EXDEV);

	}

	cpu = cpumask_first_and(alloc_data.hctx->cpumask, cpu_online_mask);

	if (cpu >= nr_cpu_ids) {

		blk_queue_exit(q);

		return ERR_PTR(-EXDEV);

	}

	alloc_data.ctx = __blk_mq_get_ctx(q, cpu);



	rq = blk_mq_get_request(q, NULL, op, &alloc_data);