562 	struct scsi_device *sdev = cmd->device;  in scsi_finish_command()  local
563 	struct scsi_target *starget = scsi_target(sdev);  in scsi_finish_command()
564 	struct Scsi_Host *shost = sdev->host;  in scsi_finish_command()
568 	scsi_device_unbusy(sdev);  in scsi_finish_command()
578 	if (atomic_read(&sdev->device_blocked))  in scsi_finish_command()
579 		atomic_set(&sdev->device_blocked, 0);  in scsi_finish_command()
588 	SCSI_LOG_MLCOMPLETE(4, sdev_printk(KERN_INFO, sdev,  in scsi_finish_command()
617 int scsi_change_queue_depth(struct scsi_device *sdev, int depth)  in scsi_change_queue_depth()  argument
620 		sdev->queue_depth = depth;  in scsi_change_queue_depth()
624 	return sdev->queue_depth;  in scsi_change_queue_depth()
647 int scsi_track_queue_full(struct scsi_device *sdev, int depth)  in scsi_track_queue_full()  argument
655 	if ((jiffies >> 4) == (sdev->last_queue_full_time >> 4))  in scsi_track_queue_full()
658 	sdev->last_queue_full_time = jiffies;  in scsi_track_queue_full()
659 	if (sdev->last_queue_full_depth != depth) {  in scsi_track_queue_full()
660 		sdev->last_queue_full_count = 1;  in scsi_track_queue_full()
661 		sdev->last_queue_full_depth = depth;  in scsi_track_queue_full()
663 		sdev->last_queue_full_count++;  in scsi_track_queue_full()
666 	if (sdev->last_queue_full_count <= 10)  in scsi_track_queue_full()
669 	return scsi_change_queue_depth(sdev, depth);  in scsi_track_queue_full()
685 static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer,  in scsi_vpd_inquiry()  argument
705 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer,  in scsi_vpd_inquiry()
731 int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,  in scsi_get_vpd_page()  argument
736 	if (sdev->skip_vpd_pages)  in scsi_get_vpd_page()
740 	result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);  in scsi_get_vpd_page()
759 	result = scsi_vpd_inquiry(sdev, buf, page, buf_len);  in scsi_get_vpd_page()
779 void scsi_attach_vpd(struct scsi_device *sdev)  in scsi_attach_vpd()  argument
787 	if (sdev->skip_vpd_pages)  in scsi_attach_vpd()
795 	result = scsi_vpd_inquiry(sdev, vpd_buf, 0, vpd_len);  in scsi_attach_vpd()
821 		result = scsi_vpd_inquiry(sdev, vpd_buf, 0x80, vpd_len);  in scsi_attach_vpd()
831 		sdev->vpd_pg80_len = result;  in scsi_attach_vpd()
832 		sdev->vpd_pg80 = vpd_buf;  in scsi_attach_vpd()
842 		result = scsi_vpd_inquiry(sdev, vpd_buf, 0x83, vpd_len);  in scsi_attach_vpd()
852 		sdev->vpd_pg83_len = result;  in scsi_attach_vpd()
853 		sdev->vpd_pg83 = vpd_buf;  in scsi_attach_vpd()
868 int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,  in scsi_report_opcode()  argument
875 	if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)  in scsi_report_opcode()
886 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,  in scsi_report_opcode()
912 int scsi_device_get(struct scsi_device *sdev)  in scsi_device_get()  argument
914 	if (sdev->sdev_state == SDEV_DEL || sdev->sdev_state == SDEV_CANCEL)  in scsi_device_get()
916 	if (!get_device(&sdev->sdev_gendev))  in scsi_device_get()
918 	if (!try_module_get(sdev->host->hostt->module))  in scsi_device_get()
923 	put_device(&sdev->sdev_gendev);  in scsi_device_get()
937 void scsi_device_put(struct scsi_device *sdev)  in scsi_device_put()  argument
939 	module_put(sdev->host->hostt->module);  in scsi_device_put()
940 	put_device(&sdev->sdev_gendev);  in scsi_device_put()
983 	struct scsi_device *sdev;  in starget_for_each_device()  local
985 	shost_for_each_device(sdev, shost) {  in starget_for_each_device()
986 		if ((sdev->channel == starget->channel) &&  in starget_for_each_device()
987 		    (sdev->id == starget->id))  in starget_for_each_device()
988 			fn(sdev, data);  in starget_for_each_device()
1011 	struct scsi_device *sdev;  in __starget_for_each_device()  local
1013 	__shost_for_each_device(sdev, shost) {  in __starget_for_each_device()
1014 		if ((sdev->channel == starget->channel) &&  in __starget_for_each_device()
1015 		    (sdev->id == starget->id))  in __starget_for_each_device()
1016 			fn(sdev, data);  in __starget_for_each_device()
1039 	struct scsi_device *sdev;  in __scsi_device_lookup_by_target()  local
1041 	list_for_each_entry(sdev, &starget->devices, same_target_siblings) {  in __scsi_device_lookup_by_target()
1042 		if (sdev->sdev_state == SDEV_DEL)  in __scsi_device_lookup_by_target()
1044 		if (sdev->lun ==lun)  in __scsi_device_lookup_by_target()
1045 			return sdev;  in __scsi_device_lookup_by_target()
1064 	struct scsi_device *sdev;  in scsi_device_lookup_by_target()  local
1069 	sdev = __scsi_device_lookup_by_target(starget, lun);  in scsi_device_lookup_by_target()
1070 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup_by_target()
1071 		sdev = NULL;  in scsi_device_lookup_by_target()
1074 	return sdev;  in scsi_device_lookup_by_target()
1097 	struct scsi_device *sdev;  in __scsi_device_lookup()  local
1099 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_device_lookup()
1100 		if (sdev->channel == channel && sdev->id == id &&  in __scsi_device_lookup()
1101 				sdev->lun ==lun)  in __scsi_device_lookup()
1102 			return sdev;  in __scsi_device_lookup()
1123 	struct scsi_device *sdev;  in scsi_device_lookup()  local
1127 	sdev = __scsi_device_lookup(shost, channel, id, lun);  in scsi_device_lookup()
1128 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup()
1129 		sdev = NULL;  in scsi_device_lookup()
1132 	return sdev;  in scsi_device_lookup()