On Mon, 20 Nov 2023 03:25:21 +0000, chengming.zhou@xxxxxxxxx wrote: > When CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION is enabled, null_queue_rq() > would return BLK_STS_RESOURCE or BLK_STS_DEV_RESOURCE for the request, > which has been marked as MQ_RQ_IN_FLIGHT by blk_mq_start_request(). > > Then null_queue_rqs() put these requests in the rqlist, return back to > the block layer core, which would try to queue them individually again, > so the warning in blk_mq_start_request() triggered. > > [...] Applied, thanks! [1/1] block/null_blk: Fix double blk_mq_start_request() warning commit: 53f2bca2609237f910531f2c1a7779b16ce7952d Best regards, -- Jens Axboe