608 	struct scsi_device *sdev = cmd->device;  in scsi_finish_command()  local
609 	struct scsi_target *starget = scsi_target(sdev);  in scsi_finish_command()
610 	struct Scsi_Host *shost = sdev->host;  in scsi_finish_command()
614 	scsi_device_unbusy(sdev);  in scsi_finish_command()
624 	if (atomic_read(&sdev->device_blocked))  in scsi_finish_command()
625 		atomic_set(&sdev->device_blocked, 0);  in scsi_finish_command()
634 	SCSI_LOG_MLCOMPLETE(4, sdev_printk(KERN_INFO, sdev,  in scsi_finish_command()
663 int scsi_change_queue_depth(struct scsi_device *sdev, int depth)  in scsi_change_queue_depth()  argument
670 	spin_lock_irqsave(sdev->request_queue->queue_lock, flags);  in scsi_change_queue_depth()
681 	if (!shost_use_blk_mq(sdev->host) && !sdev->host->bqt) {  in scsi_change_queue_depth()
682 		if (blk_queue_tagged(sdev->request_queue) &&  in scsi_change_queue_depth()
683 		    blk_queue_resize_tags(sdev->request_queue, depth) != 0)  in scsi_change_queue_depth()
687 	sdev->queue_depth = depth;  in scsi_change_queue_depth()
689 	spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);  in scsi_change_queue_depth()
691 	return sdev->queue_depth;  in scsi_change_queue_depth()
714 int scsi_track_queue_full(struct scsi_device *sdev, int depth)  in scsi_track_queue_full()  argument
722 	if ((jiffies >> 4) == (sdev->last_queue_full_time >> 4))  in scsi_track_queue_full()
725 	sdev->last_queue_full_time = jiffies;  in scsi_track_queue_full()
726 	if (sdev->last_queue_full_depth != depth) {  in scsi_track_queue_full()
727 		sdev->last_queue_full_count = 1;  in scsi_track_queue_full()
728 		sdev->last_queue_full_depth = depth;  in scsi_track_queue_full()
730 		sdev->last_queue_full_count++;  in scsi_track_queue_full()
733 	if (sdev->last_queue_full_count <= 10)  in scsi_track_queue_full()
736 	return scsi_change_queue_depth(sdev, depth);  in scsi_track_queue_full()
752 static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer,  in scsi_vpd_inquiry()  argument
772 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer,  in scsi_vpd_inquiry()
798 int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,  in scsi_get_vpd_page()  argument
803 	if (sdev->skip_vpd_pages)  in scsi_get_vpd_page()
807 	result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);  in scsi_get_vpd_page()
826 	result = scsi_vpd_inquiry(sdev, buf, page, buf_len);  in scsi_get_vpd_page()
846 void scsi_attach_vpd(struct scsi_device *sdev)  in scsi_attach_vpd()  argument
854 	if (sdev->skip_vpd_pages)  in scsi_attach_vpd()
862 	result = scsi_vpd_inquiry(sdev, vpd_buf, 0, vpd_len);  in scsi_attach_vpd()
888 		result = scsi_vpd_inquiry(sdev, vpd_buf, 0x80, vpd_len);  in scsi_attach_vpd()
898 		sdev->vpd_pg80_len = result;  in scsi_attach_vpd()
899 		sdev->vpd_pg80 = vpd_buf;  in scsi_attach_vpd()
909 		result = scsi_vpd_inquiry(sdev, vpd_buf, 0x83, vpd_len);  in scsi_attach_vpd()
919 		sdev->vpd_pg83_len = result;  in scsi_attach_vpd()
920 		sdev->vpd_pg83 = vpd_buf;  in scsi_attach_vpd()
935 int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,  in scsi_report_opcode()  argument
942 	if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)  in scsi_report_opcode()
953 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,  in scsi_report_opcode()
979 int scsi_device_get(struct scsi_device *sdev)  in scsi_device_get()  argument
981 	if (sdev->sdev_state == SDEV_DEL || sdev->sdev_state == SDEV_CANCEL)  in scsi_device_get()
983 	if (!get_device(&sdev->sdev_gendev))  in scsi_device_get()
985 	if (!try_module_get(sdev->host->hostt->module))  in scsi_device_get()
990 	put_device(&sdev->sdev_gendev);  in scsi_device_get()
1004 void scsi_device_put(struct scsi_device *sdev)  in scsi_device_put()  argument
1006 	module_put(sdev->host->hostt->module);  in scsi_device_put()
1007 	put_device(&sdev->sdev_gendev);  in scsi_device_put()
1050 	struct scsi_device *sdev;  in starget_for_each_device()  local
1052 	shost_for_each_device(sdev, shost) {  in starget_for_each_device()
1053 		if ((sdev->channel == starget->channel) &&  in starget_for_each_device()
1054 		    (sdev->id == starget->id))  in starget_for_each_device()
1055 			fn(sdev, data);  in starget_for_each_device()
1078 	struct scsi_device *sdev;  in __starget_for_each_device()  local
1080 	__shost_for_each_device(sdev, shost) {  in __starget_for_each_device()
1081 		if ((sdev->channel == starget->channel) &&  in __starget_for_each_device()
1082 		    (sdev->id == starget->id))  in __starget_for_each_device()
1083 			fn(sdev, data);  in __starget_for_each_device()
1106 	struct scsi_device *sdev;  in __scsi_device_lookup_by_target()  local
1108 	list_for_each_entry(sdev, &starget->devices, same_target_siblings) {  in __scsi_device_lookup_by_target()
1109 		if (sdev->sdev_state == SDEV_DEL)  in __scsi_device_lookup_by_target()
1111 		if (sdev->lun ==lun)  in __scsi_device_lookup_by_target()
1112 			return sdev;  in __scsi_device_lookup_by_target()
1131 	struct scsi_device *sdev;  in scsi_device_lookup_by_target()  local
1136 	sdev = __scsi_device_lookup_by_target(starget, lun);  in scsi_device_lookup_by_target()
1137 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup_by_target()
1138 		sdev = NULL;  in scsi_device_lookup_by_target()
1141 	return sdev;  in scsi_device_lookup_by_target()
1164 	struct scsi_device *sdev;  in __scsi_device_lookup()  local
1166 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_device_lookup()
1167 		if (sdev->channel == channel && sdev->id == id &&  in __scsi_device_lookup()
1168 				sdev->lun ==lun)  in __scsi_device_lookup()
1169 			return sdev;  in __scsi_device_lookup()
1190 	struct scsi_device *sdev;  in scsi_device_lookup()  local
1194 	sdev = __scsi_device_lookup(shost, channel, id, lun);  in scsi_device_lookup()
1195 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup()
1196 		sdev = NULL;  in scsi_device_lookup()
1199 	return sdev;  in scsi_device_lookup()