203 	struct scsi_device *sdev = cmd->device;  in scsi_finish_command()  local
204 	struct scsi_target *starget = scsi_target(sdev);  in scsi_finish_command()
205 	struct Scsi_Host *shost = sdev->host;  in scsi_finish_command()
209 	scsi_device_unbusy(sdev);  in scsi_finish_command()
219 	if (atomic_read(&sdev->device_blocked))  in scsi_finish_command()
220 		atomic_set(&sdev->device_blocked, 0);  in scsi_finish_command()
229 	SCSI_LOG_MLCOMPLETE(4, sdev_printk(KERN_INFO, sdev,  in scsi_finish_command()
258 int scsi_change_queue_depth(struct scsi_device *sdev, int depth)  in scsi_change_queue_depth()  argument
261 		sdev->queue_depth = depth;  in scsi_change_queue_depth()
265 	if (sdev->request_queue)  in scsi_change_queue_depth()
266 		blk_set_queue_depth(sdev->request_queue, depth);  in scsi_change_queue_depth()
268 	return sdev->queue_depth;  in scsi_change_queue_depth()
291 int scsi_track_queue_full(struct scsi_device *sdev, int depth)  in scsi_track_queue_full()  argument
299 	if ((jiffies >> 4) == (sdev->last_queue_full_time >> 4))  in scsi_track_queue_full()
302 	sdev->last_queue_full_time = jiffies;  in scsi_track_queue_full()
303 	if (sdev->last_queue_full_depth != depth) {  in scsi_track_queue_full()
304 		sdev->last_queue_full_count = 1;  in scsi_track_queue_full()
305 		sdev->last_queue_full_depth = depth;  in scsi_track_queue_full()
307 		sdev->last_queue_full_count++;  in scsi_track_queue_full()
310 	if (sdev->last_queue_full_count <= 10)  in scsi_track_queue_full()
313 	return scsi_change_queue_depth(sdev, depth);  in scsi_track_queue_full()
329 static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer,  in scsi_vpd_inquiry()  argument
349 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer,  in scsi_vpd_inquiry()
375 int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,  in scsi_get_vpd_page()  argument
380 	if (sdev->skip_vpd_pages)  in scsi_get_vpd_page()
384 	result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);  in scsi_get_vpd_page()
403 	result = scsi_vpd_inquiry(sdev, buf, page, buf_len);  in scsi_get_vpd_page()
421 static struct scsi_vpd *scsi_get_vpd_buf(struct scsi_device *sdev, u8 page)  in scsi_get_vpd_buf()  argument
431 	result = scsi_vpd_inquiry(sdev, vpd_buf->data, page, vpd_len);  in scsi_get_vpd_buf()
447 static void scsi_update_vpd_page(struct scsi_device *sdev, u8 page,  in scsi_update_vpd_page()  argument
452 	vpd_buf = scsi_get_vpd_buf(sdev, page);  in scsi_update_vpd_page()
456 	mutex_lock(&sdev->inquiry_mutex);  in scsi_update_vpd_page()
458 			   lockdep_is_held(&sdev->inquiry_mutex));  in scsi_update_vpd_page()
459 	mutex_unlock(&sdev->inquiry_mutex);  in scsi_update_vpd_page()
474 void scsi_attach_vpd(struct scsi_device *sdev)  in scsi_attach_vpd()  argument
479 	if (!scsi_device_supports_vpd(sdev))  in scsi_attach_vpd()
483 	vpd_buf = scsi_get_vpd_buf(sdev, 0);  in scsi_attach_vpd()
489 			scsi_update_vpd_page(sdev, 0x80, &sdev->vpd_pg80);  in scsi_attach_vpd()
491 			scsi_update_vpd_page(sdev, 0x83, &sdev->vpd_pg83);  in scsi_attach_vpd()
507 int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,  in scsi_report_opcode()  argument
514 	if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)  in scsi_report_opcode()
525 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,  in scsi_report_opcode()
551 int scsi_device_get(struct scsi_device *sdev)  in scsi_device_get()  argument
553 	if (sdev->sdev_state == SDEV_DEL || sdev->sdev_state == SDEV_CANCEL)  in scsi_device_get()
555 	if (!get_device(&sdev->sdev_gendev))  in scsi_device_get()
557 	if (!try_module_get(sdev->host->hostt->module))  in scsi_device_get()
562 	put_device(&sdev->sdev_gendev);  in scsi_device_get()
576 void scsi_device_put(struct scsi_device *sdev)  in scsi_device_put()  argument
578 	module_put(sdev->host->hostt->module);  in scsi_device_put()
579 	put_device(&sdev->sdev_gendev);  in scsi_device_put()
622 	struct scsi_device *sdev;  in starget_for_each_device()  local
624 	shost_for_each_device(sdev, shost) {  in starget_for_each_device()
625 		if ((sdev->channel == starget->channel) &&  in starget_for_each_device()
626 		    (sdev->id == starget->id))  in starget_for_each_device()
627 			fn(sdev, data);  in starget_for_each_device()
650 	struct scsi_device *sdev;  in __starget_for_each_device()  local
652 	__shost_for_each_device(sdev, shost) {  in __starget_for_each_device()
653 		if ((sdev->channel == starget->channel) &&  in __starget_for_each_device()
654 		    (sdev->id == starget->id))  in __starget_for_each_device()
655 			fn(sdev, data);  in __starget_for_each_device()
678 	struct scsi_device *sdev;  in __scsi_device_lookup_by_target()  local
680 	list_for_each_entry(sdev, &starget->devices, same_target_siblings) {  in __scsi_device_lookup_by_target()
681 		if (sdev->sdev_state == SDEV_DEL)  in __scsi_device_lookup_by_target()
683 		if (sdev->lun ==lun)  in __scsi_device_lookup_by_target()
684 			return sdev;  in __scsi_device_lookup_by_target()
703 	struct scsi_device *sdev;  in scsi_device_lookup_by_target()  local
708 	sdev = __scsi_device_lookup_by_target(starget, lun);  in scsi_device_lookup_by_target()
709 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup_by_target()
710 		sdev = NULL;  in scsi_device_lookup_by_target()
713 	return sdev;  in scsi_device_lookup_by_target()
736 	struct scsi_device *sdev;  in __scsi_device_lookup()  local
738 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_device_lookup()
739 		if (sdev->sdev_state == SDEV_DEL)  in __scsi_device_lookup()
741 		if (sdev->channel == channel && sdev->id == id &&  in __scsi_device_lookup()
742 				sdev->lun ==lun)  in __scsi_device_lookup()
743 			return sdev;  in __scsi_device_lookup()
764 	struct scsi_device *sdev;  in scsi_device_lookup()  local
768 	sdev = __scsi_device_lookup(shost, channel, id, lun);  in scsi_device_lookup()
769 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup()
770 		sdev = NULL;  in scsi_device_lookup()
773 	return sdev;  in scsi_device_lookup()