bsg-lib: remove bsg_job.req

static void bsg_teardown_job(struct kref *kref)

{

	struct bsg_job *job = container_of(kref, struct bsg_job, kref);

	struct request *rq = job->req;

	struct request *rq = blk_mq_rq_from_pdu(job);

	put_device(job->dev);	/* release reference for the request */

void bsg_job_done(struct bsg_job *job, int result,

		  unsigned int reply_payload_rcv_len)

{

	struct request *req = job->req;

	struct request *req = blk_mq_rq_from_pdu(job);

	struct request *rsp = req->next_rq;

	struct scsi_request *rq = scsi_req(req);

	int err;

	err = scsi_req(job->req)->result = result;

	err = job->sreq.result = result;

	if (err < 0)

		/* we're only returning the result field in the reply */

		rq->sense_len = sizeof(u32);

		job->sreq.sense_len = sizeof(u32);

	else

		rq->sense_len = job->reply_len;

		job->sreq.sense_len = job->reply_len;

	/* we assume all request payload was transferred, residual == 0 */

	rq->resid_len = 0;

	job->sreq.resid_len = 0;

	if (rsp) {

		WARN_ON(reply_payload_rcv_len > scsi_req(rsp)->resid_len);

	sreq->sense = sense;

	sreq->sense_len = SCSI_SENSE_BUFFERSIZE;

	job->req = req;

	job->reply = sense;

	job->reply_len = sreq->sense_len;

	job->dd_data = job + 1;

struct bsg_job {

	struct scsi_request sreq;

	struct device *dev;

	struct request *req;

	struct kref kref;