112 	struct request *rq;  in get_alua_req()  local
115 	rq = blk_get_request(q, rw, GFP_NOIO);  in get_alua_req()
117 	if (IS_ERR(rq)) {  in get_alua_req()
122 	blk_rq_set_block_pc(rq);  in get_alua_req()
124 	if (buflen && blk_rq_map_kern(q, rq, buffer, buflen, GFP_NOIO)) {  in get_alua_req()
125 		blk_put_request(rq);  in get_alua_req()
131 	rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |  in get_alua_req()
133 	rq->retries = ALUA_FAILOVER_RETRIES;  in get_alua_req()
134 	rq->timeout = ALUA_FAILOVER_TIMEOUT * HZ;  in get_alua_req()
136 	return rq;  in get_alua_req()
145 	struct request *rq;  in submit_vpd_inquiry()  local
148 	rq = get_alua_req(sdev, h->buff, h->bufflen, READ);  in submit_vpd_inquiry()
149 	if (!rq)  in submit_vpd_inquiry()
153 	rq->cmd[0] = INQUIRY;  in submit_vpd_inquiry()
154 	rq->cmd[1] = 1;  in submit_vpd_inquiry()
155 	rq->cmd[2] = 0x83;  in submit_vpd_inquiry()
156 	rq->cmd[4] = h->bufflen;  in submit_vpd_inquiry()
157 	rq->cmd_len = COMMAND_SIZE(INQUIRY);  in submit_vpd_inquiry()
159 	rq->sense = h->sense;  in submit_vpd_inquiry()
160 	memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE);  in submit_vpd_inquiry()
161 	rq->sense_len = h->senselen = 0;  in submit_vpd_inquiry()
163 	err = blk_execute_rq(rq->q, NULL, rq, 1);  in submit_vpd_inquiry()
167 			    ALUA_DH_NAME, rq->errors);  in submit_vpd_inquiry()
168 		h->senselen = rq->sense_len;  in submit_vpd_inquiry()
171 	blk_put_request(rq);  in submit_vpd_inquiry()
183 	struct request *rq;  in submit_rtpg()  local
186 	rq = get_alua_req(sdev, h->buff, h->bufflen, READ);  in submit_rtpg()
187 	if (!rq)  in submit_rtpg()
191 	rq->cmd[0] = MAINTENANCE_IN;  in submit_rtpg()
193 		rq->cmd[1] = MI_REPORT_TARGET_PGS | MI_EXT_HDR_PARAM_FMT;  in submit_rtpg()
195 		rq->cmd[1] = MI_REPORT_TARGET_PGS;  in submit_rtpg()
196 	rq->cmd[6] = (h->bufflen >> 24) & 0xff;  in submit_rtpg()
197 	rq->cmd[7] = (h->bufflen >> 16) & 0xff;  in submit_rtpg()
198 	rq->cmd[8] = (h->bufflen >>  8) & 0xff;  in submit_rtpg()
199 	rq->cmd[9] = h->bufflen & 0xff;  in submit_rtpg()
200 	rq->cmd_len = COMMAND_SIZE(MAINTENANCE_IN);  in submit_rtpg()
202 	rq->sense = h->sense;  in submit_rtpg()
203 	memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE);  in submit_rtpg()
204 	rq->sense_len = h->senselen = 0;  in submit_rtpg()
206 	err = blk_execute_rq(rq->q, NULL, rq, 1);  in submit_rtpg()
210 			    ALUA_DH_NAME, rq->errors);  in submit_rtpg()
211 		h->senselen = rq->sense_len;  in submit_rtpg()
214 	blk_put_request(rq);  in submit_rtpg()
286 	struct request *rq;  in submit_stpg()  local
296 	rq = get_alua_req(sdev, h->buff, stpg_len, WRITE);  in submit_stpg()
297 	if (!rq)  in submit_stpg()
301 	rq->cmd[0] = MAINTENANCE_OUT;  in submit_stpg()
302 	rq->cmd[1] = MO_SET_TARGET_PGS;  in submit_stpg()
303 	rq->cmd[6] = (stpg_len >> 24) & 0xff;  in submit_stpg()
304 	rq->cmd[7] = (stpg_len >> 16) & 0xff;  in submit_stpg()
305 	rq->cmd[8] = (stpg_len >>  8) & 0xff;  in submit_stpg()
306 	rq->cmd[9] = stpg_len & 0xff;  in submit_stpg()
307 	rq->cmd_len = COMMAND_SIZE(MAINTENANCE_OUT);  in submit_stpg()
309 	rq->sense = h->sense;  in submit_stpg()
310 	memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE);  in submit_stpg()
311 	rq->sense_len = h->senselen = 0;  in submit_stpg()
312 	rq->end_io_data = h;  in submit_stpg()
314 	blk_execute_rq_nowait(rq->q, NULL, rq, 1, stpg_endio);  in submit_stpg()