Hi martin On 03/02/2018 09:44 AM, Martin K. Petersen wrote: >> In scsi core, __scsi_queue_insert should just put request back on the >> queue and retry using the same command as before. However, for blk-mq, >> scsi_mq_requeue_cmd is employed here which will unprepare the >> request. To align with the semantics of __scsi_queue_insert, use >> blk_mq_requeue_request with kick_requeue_list == true and put the >> reference of scsi_device. >> >> V1 -> V2: >> - add put_device on scsi_device->sdev_gendev > Also, please put changelog after the --- delimiter. > Yes, I will modify this next version. Thanks Jianchao