On 5/29/19 6:28 AM, Hannes Reinecke wrote:
+ rq = blk_mq_alloc_request(sdev->request_queue, + REQ_OP_SCSI_OUT | REQ_NOWAIT, + BLK_MQ_REQ_RESERVED);
This looks wrong to me. To avoid that blk_mq_alloc_request() waits I think it should be called as follows:
rq = blk_mq_alloc_request(sdev->request_queue, REQ_OP_SCSI_OUT, BLK_MQ_REQ_RESERVED | BLK_MQ_REQ_NOWAIT); Bart.