On Thu, 2017-10-26 at 07:30 +0200, Bart Van Assche wrote: > +static void virtblk_initialize_rq(struct request *req) > +{ > + struct virtblk_req *vbr = blk_mq_rq_to_pdu(req); > + > + scsi_req_init(&vbr->sreq); > +} Please ignore v3 - the build fails with this version for CONFIG_VIRTIO_BLK_SCSI=n. I'm testing v4 and will post v4 later today. Bart.