183 	struct scsi_device *sdev = cmd->device;  in scsi_finish_command()  local
184 	struct scsi_target *starget = scsi_target(sdev);  in scsi_finish_command()
185 	struct Scsi_Host *shost = sdev->host;  in scsi_finish_command()
189 	scsi_device_unbusy(sdev);  in scsi_finish_command()
199 	if (atomic_read(&sdev->device_blocked))  in scsi_finish_command()
200 		atomic_set(&sdev->device_blocked, 0);  in scsi_finish_command()
209 	SCSI_LOG_MLCOMPLETE(4, sdev_printk(KERN_INFO, sdev,  in scsi_finish_command()
238 int scsi_change_queue_depth(struct scsi_device *sdev, int depth)  in scsi_change_queue_depth()  argument
241 		sdev->queue_depth = depth;  in scsi_change_queue_depth()
245 	if (sdev->request_queue)  in scsi_change_queue_depth()
246 		blk_set_queue_depth(sdev->request_queue, depth);  in scsi_change_queue_depth()
248 	return sdev->queue_depth;  in scsi_change_queue_depth()
271 int scsi_track_queue_full(struct scsi_device *sdev, int depth)  in scsi_track_queue_full()  argument
279 	if ((jiffies >> 4) == (sdev->last_queue_full_time >> 4))  in scsi_track_queue_full()
282 	sdev->last_queue_full_time = jiffies;  in scsi_track_queue_full()
283 	if (sdev->last_queue_full_depth != depth) {  in scsi_track_queue_full()
284 		sdev->last_queue_full_count = 1;  in scsi_track_queue_full()
285 		sdev->last_queue_full_depth = depth;  in scsi_track_queue_full()
287 		sdev->last_queue_full_count++;  in scsi_track_queue_full()
290 	if (sdev->last_queue_full_count <= 10)  in scsi_track_queue_full()
293 	return scsi_change_queue_depth(sdev, depth);  in scsi_track_queue_full()
309 static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer,  in scsi_vpd_inquiry()  argument
329 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer,  in scsi_vpd_inquiry()
355 int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf,  in scsi_get_vpd_page()  argument
360 	if (sdev->skip_vpd_pages)  in scsi_get_vpd_page()
364 	result = scsi_vpd_inquiry(sdev, buf, 0, buf_len);  in scsi_get_vpd_page()
383 	result = scsi_vpd_inquiry(sdev, buf, page, buf_len);  in scsi_get_vpd_page()
401 static struct scsi_vpd *scsi_get_vpd_buf(struct scsi_device *sdev, u8 page)  in scsi_get_vpd_buf()  argument
411 	result = scsi_vpd_inquiry(sdev, vpd_buf->data, page, vpd_len);  in scsi_get_vpd_buf()
427 static void scsi_update_vpd_page(struct scsi_device *sdev, u8 page,  in scsi_update_vpd_page()  argument
432 	vpd_buf = scsi_get_vpd_buf(sdev, page);  in scsi_update_vpd_page()
436 	mutex_lock(&sdev->inquiry_mutex);  in scsi_update_vpd_page()
438 			   lockdep_is_held(&sdev->inquiry_mutex));  in scsi_update_vpd_page()
439 	mutex_unlock(&sdev->inquiry_mutex);  in scsi_update_vpd_page()
454 void scsi_attach_vpd(struct scsi_device *sdev)  in scsi_attach_vpd()  argument
459 	if (!scsi_device_supports_vpd(sdev))  in scsi_attach_vpd()
463 	vpd_buf = scsi_get_vpd_buf(sdev, 0);  in scsi_attach_vpd()
469 			scsi_update_vpd_page(sdev, 0x80, &sdev->vpd_pg80);  in scsi_attach_vpd()
471 			scsi_update_vpd_page(sdev, 0x83, &sdev->vpd_pg83);  in scsi_attach_vpd()
487 int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,  in scsi_report_opcode()  argument
494 	if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)  in scsi_report_opcode()
505 	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,  in scsi_report_opcode()
531 int scsi_device_get(struct scsi_device *sdev)  in scsi_device_get()  argument
533 	if (sdev->sdev_state == SDEV_DEL || sdev->sdev_state == SDEV_CANCEL)  in scsi_device_get()
535 	if (!get_device(&sdev->sdev_gendev))  in scsi_device_get()
537 	if (!try_module_get(sdev->host->hostt->module))  in scsi_device_get()
542 	put_device(&sdev->sdev_gendev);  in scsi_device_get()
556 void scsi_device_put(struct scsi_device *sdev)  in scsi_device_put()  argument
558 	module_put(sdev->host->hostt->module);  in scsi_device_put()
559 	put_device(&sdev->sdev_gendev);  in scsi_device_put()
602 	struct scsi_device *sdev;  in starget_for_each_device()  local
604 	shost_for_each_device(sdev, shost) {  in starget_for_each_device()
605 		if ((sdev->channel == starget->channel) &&  in starget_for_each_device()
606 		    (sdev->id == starget->id))  in starget_for_each_device()
607 			fn(sdev, data);  in starget_for_each_device()
630 	struct scsi_device *sdev;  in __starget_for_each_device()  local
632 	__shost_for_each_device(sdev, shost) {  in __starget_for_each_device()
633 		if ((sdev->channel == starget->channel) &&  in __starget_for_each_device()
634 		    (sdev->id == starget->id))  in __starget_for_each_device()
635 			fn(sdev, data);  in __starget_for_each_device()
658 	struct scsi_device *sdev;  in __scsi_device_lookup_by_target()  local
660 	list_for_each_entry(sdev, &starget->devices, same_target_siblings) {  in __scsi_device_lookup_by_target()
661 		if (sdev->sdev_state == SDEV_DEL)  in __scsi_device_lookup_by_target()
663 		if (sdev->lun ==lun)  in __scsi_device_lookup_by_target()
664 			return sdev;  in __scsi_device_lookup_by_target()
683 	struct scsi_device *sdev;  in scsi_device_lookup_by_target()  local
688 	sdev = __scsi_device_lookup_by_target(starget, lun);  in scsi_device_lookup_by_target()
689 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup_by_target()
690 		sdev = NULL;  in scsi_device_lookup_by_target()
693 	return sdev;  in scsi_device_lookup_by_target()
716 	struct scsi_device *sdev;  in __scsi_device_lookup()  local
718 	list_for_each_entry(sdev, &shost->__devices, siblings) {  in __scsi_device_lookup()
719 		if (sdev->sdev_state == SDEV_DEL)  in __scsi_device_lookup()
721 		if (sdev->channel == channel && sdev->id == id &&  in __scsi_device_lookup()
722 				sdev->lun ==lun)  in __scsi_device_lookup()
723 			return sdev;  in __scsi_device_lookup()
744 	struct scsi_device *sdev;  in scsi_device_lookup()  local
748 	sdev = __scsi_device_lookup(shost, channel, id, lun);  in scsi_device_lookup()
749 	if (sdev && scsi_device_get(sdev))  in scsi_device_lookup()
750 		sdev = NULL;  in scsi_device_lookup()
753 	return sdev;  in scsi_device_lookup()