58 static void zfcp_erp_adapter_block(struct zfcp_adapter *adapter, int mask)  in zfcp_erp_adapter_block()  argument
60 	zfcp_erp_clear_adapter_status(adapter,  in zfcp_erp_adapter_block()
68 	list_for_each_entry(curr_act, &act->adapter->erp_running_head, list)  in zfcp_erp_action_exists()
76 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_action_ready()  local
78 	list_move(&act->list, &act->adapter->erp_ready_head);  in zfcp_erp_action_ready()
80 	wake_up(&adapter->erp_ready_wq);  in zfcp_erp_action_ready()
106 		spin_lock(port->adapter->scsi_host->host_lock);  in zfcp_erp_action_dismiss_port()
107 		__shost_for_each_device(sdev, port->adapter->scsi_host)  in zfcp_erp_action_dismiss_port()
110 		spin_unlock(port->adapter->scsi_host->host_lock);  in zfcp_erp_action_dismiss_port()
114 static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter)  in zfcp_erp_action_dismiss_adapter()  argument
118 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_INUSE)  in zfcp_erp_action_dismiss_adapter()
119 		zfcp_erp_action_dismiss(&adapter->erp_action);  in zfcp_erp_action_dismiss_adapter()
121 		read_lock(&adapter->port_list_lock);  in zfcp_erp_action_dismiss_adapter()
122 		list_for_each_entry(port, &adapter->port_list, list)  in zfcp_erp_action_dismiss_adapter()
124 		read_unlock(&adapter->port_list_lock);  in zfcp_erp_action_dismiss_adapter()
128 static int zfcp_erp_required_act(int want, struct zfcp_adapter *adapter,  in zfcp_erp_required_act()  argument
158 		a_status = atomic_read(&adapter->status);  in zfcp_erp_required_act()
168 		a_status = atomic_read(&adapter->status);  in zfcp_erp_required_act()
180 						  struct zfcp_adapter *adapter,  in zfcp_erp_setup_act()  argument
218 		kref_get(&adapter->ref);  in zfcp_erp_setup_act()
219 		zfcp_erp_action_dismiss_adapter(adapter);  in zfcp_erp_setup_act()
220 		atomic_set_mask(ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status);  in zfcp_erp_setup_act()
221 		erp_action = &adapter->erp_action;  in zfcp_erp_setup_act()
223 		if (!(atomic_read(&adapter->status) &  in zfcp_erp_setup_act()
232 	erp_action->adapter = adapter;  in zfcp_erp_setup_act()
239 static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,  in zfcp_erp_action_enqueue()  argument
247 	if (!adapter->erp_thread)  in zfcp_erp_action_enqueue()
250 	need = zfcp_erp_required_act(want, adapter, port, sdev);  in zfcp_erp_action_enqueue()
254 	act = zfcp_erp_setup_act(need, act_status, adapter, port, sdev);  in zfcp_erp_action_enqueue()
257 	atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_PENDING, &adapter->status);  in zfcp_erp_action_enqueue()
258 	++adapter->erp_total_count;  in zfcp_erp_action_enqueue()
259 	list_add_tail(&act->list, &adapter->erp_ready_head);  in zfcp_erp_action_enqueue()
260 	wake_up(&adapter->erp_ready_wq);  in zfcp_erp_action_enqueue()
263 	zfcp_dbf_rec_trig(id, adapter, port, sdev, want, need);  in zfcp_erp_action_enqueue()
267 static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,  in _zfcp_erp_adapter_reopen()  argument
270 	zfcp_erp_adapter_block(adapter, clear_mask);  in _zfcp_erp_adapter_reopen()
271 	zfcp_scsi_schedule_rports_block(adapter);  in _zfcp_erp_adapter_reopen()
274 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED) {  in _zfcp_erp_adapter_reopen()
275 		zfcp_erp_set_adapter_status(adapter,  in _zfcp_erp_adapter_reopen()
280 				       adapter, NULL, NULL, id, 0);  in _zfcp_erp_adapter_reopen()
289 void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear, char *id)  in zfcp_erp_adapter_reopen()  argument
293 	zfcp_erp_adapter_block(adapter, clear);  in zfcp_erp_adapter_reopen()
294 	zfcp_scsi_schedule_rports_block(adapter);  in zfcp_erp_adapter_reopen()
296 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_adapter_reopen()
297 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED)  in zfcp_erp_adapter_reopen()
298 		zfcp_erp_set_adapter_status(adapter,  in zfcp_erp_adapter_reopen()
301 		zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, adapter,  in zfcp_erp_adapter_reopen()
303 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_adapter_reopen()
312 void zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear,  in zfcp_erp_adapter_shutdown()  argument
316 	zfcp_erp_adapter_reopen(adapter, clear | flags, id);  in zfcp_erp_adapter_shutdown()
347 				port->adapter, port, NULL, id, 0);  in _zfcp_erp_port_forced_reopen()
359 	struct zfcp_adapter *adapter = port->adapter;  in zfcp_erp_port_forced_reopen()  local
361 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_port_forced_reopen()
363 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_port_forced_reopen()
378 				       port->adapter, port, NULL, id, 0);  in _zfcp_erp_port_reopen()
393 	struct zfcp_adapter *adapter = port->adapter;  in zfcp_erp_port_reopen()  local
395 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_port_reopen()
397 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_port_reopen()
412 	struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;  in _zfcp_erp_lun_reopen()  local
419 	zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_LUN, adapter,  in _zfcp_erp_lun_reopen()
436 	struct zfcp_adapter *adapter = port->adapter;  in zfcp_erp_lun_reopen()  local
438 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_lun_reopen()
440 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_lun_reopen()
470 	struct zfcp_adapter *adapter = port->adapter;  in zfcp_erp_lun_shutdown_wait()  local
473 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_lun_shutdown_wait()
475 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_lun_shutdown_wait()
477 	zfcp_erp_wait(adapter);  in zfcp_erp_lun_shutdown_wait()
485 static void zfcp_erp_adapter_unblock(struct zfcp_adapter *adapter)  in zfcp_erp_adapter_unblock()  argument
487 	if (status_change_set(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status))  in zfcp_erp_adapter_unblock()
488 		zfcp_dbf_rec_run("eraubl1", &adapter->erp_action);  in zfcp_erp_adapter_unblock()
489 	atomic_set_mask(ZFCP_STATUS_COMMON_UNBLOCKED, &adapter->status);  in zfcp_erp_adapter_unblock()
510 	list_move(&erp_action->list, &erp_action->adapter->erp_running_head);  in zfcp_erp_action_to_running()
516 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_strategy_check_fsfreq()  local
522 	spin_lock(&adapter->req_list->lock);  in zfcp_erp_strategy_check_fsfreq()
523 	req = _zfcp_reqlist_find(adapter->req_list, act->fsf_req_id);  in zfcp_erp_strategy_check_fsfreq()
537 	spin_unlock(&adapter->req_list->lock);  in zfcp_erp_strategy_check_fsfreq()
547 	struct zfcp_adapter *adapter = erp_action->adapter;  in zfcp_erp_notify()  local
550 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_notify()
555 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_notify()
582 static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,  in _zfcp_erp_port_reopen_all()  argument
587 	read_lock(&adapter->port_list_lock);  in _zfcp_erp_port_reopen_all()
588 	list_for_each_entry(port, &adapter->port_list, list)  in _zfcp_erp_port_reopen_all()
590 	read_unlock(&adapter->port_list_lock);  in _zfcp_erp_port_reopen_all()
598 	spin_lock(port->adapter->scsi_host->host_lock);  in _zfcp_erp_lun_reopen_all()
599 	__shost_for_each_device(sdev, port->adapter->scsi_host)  in _zfcp_erp_lun_reopen_all()
602 	spin_unlock(port->adapter->scsi_host->host_lock);  in _zfcp_erp_lun_reopen_all()
609 		_zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1");  in zfcp_erp_strategy_followup_failed()
627 		_zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1");  in zfcp_erp_strategy_followup_success()
638 static void zfcp_erp_wakeup(struct zfcp_adapter *adapter)  in zfcp_erp_wakeup()  argument
642 	read_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_wakeup()
643 	if (list_empty(&adapter->erp_ready_head) &&  in zfcp_erp_wakeup()
644 	    list_empty(&adapter->erp_running_head)) {  in zfcp_erp_wakeup()
646 					  &adapter->status);  in zfcp_erp_wakeup()
647 			wake_up(&adapter->erp_done_wqh);  in zfcp_erp_wakeup()
649 	read_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_wakeup()
652 static void zfcp_erp_enqueue_ptp_port(struct zfcp_adapter *adapter)  in zfcp_erp_enqueue_ptp_port()  argument
655 	port = zfcp_port_enqueue(adapter, adapter->peer_wwpn, 0,  in zfcp_erp_enqueue_ptp_port()
656 				 adapter->peer_d_id);  in zfcp_erp_enqueue_ptp_port()
666 	struct zfcp_adapter *adapter = erp_action->adapter;  in zfcp_erp_adapter_strat_fsf_xconf()  local
668 	atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK, &adapter->status);  in zfcp_erp_adapter_strat_fsf_xconf()
672 				  &adapter->status);  in zfcp_erp_adapter_strat_fsf_xconf()
673 		write_lock_irq(&adapter->erp_lock);  in zfcp_erp_adapter_strat_fsf_xconf()
675 		write_unlock_irq(&adapter->erp_lock);  in zfcp_erp_adapter_strat_fsf_xconf()
678 					  &adapter->status);  in zfcp_erp_adapter_strat_fsf_xconf()
682 		wait_event(adapter->erp_ready_wq,  in zfcp_erp_adapter_strat_fsf_xconf()
683 			   !list_empty(&adapter->erp_ready_head));  in zfcp_erp_adapter_strat_fsf_xconf()
687 		if (!(atomic_read(&adapter->status) &  in zfcp_erp_adapter_strat_fsf_xconf()
696 			  &adapter->status);  in zfcp_erp_adapter_strat_fsf_xconf()
698 	if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_XCONFIG_OK))  in zfcp_erp_adapter_strat_fsf_xconf()
701 	if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)  in zfcp_erp_adapter_strat_fsf_xconf()
702 		zfcp_erp_enqueue_ptp_port(adapter);  in zfcp_erp_adapter_strat_fsf_xconf()
710 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_open_fsf_xport()  local
712 	write_lock_irq(&adapter->erp_lock);  in zfcp_erp_adapter_strategy_open_fsf_xport()
714 	write_unlock_irq(&adapter->erp_lock);  in zfcp_erp_adapter_strategy_open_fsf_xport()
723 	wait_event(adapter->erp_ready_wq,  in zfcp_erp_adapter_strategy_open_fsf_xport()
724 		   !list_empty(&adapter->erp_ready_head));  in zfcp_erp_adapter_strategy_open_fsf_xport()
740 	if (mempool_resize(act->adapter->pool.sr_data,  in zfcp_erp_adapter_strategy_open_fsf()
741 			   act->adapter->stat_read_buf_num))  in zfcp_erp_adapter_strategy_open_fsf()
744 	if (mempool_resize(act->adapter->pool.status_read_req,  in zfcp_erp_adapter_strategy_open_fsf()
745 			   act->adapter->stat_read_buf_num))  in zfcp_erp_adapter_strategy_open_fsf()
748 	atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num);  in zfcp_erp_adapter_strategy_open_fsf()
749 	if (zfcp_status_read_refill(act->adapter))  in zfcp_erp_adapter_strategy_open_fsf()
757 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_close()  local
760 	zfcp_qdio_close(adapter->qdio);  in zfcp_erp_adapter_strategy_close()
761 	zfcp_fsf_req_dismiss_all(adapter);  in zfcp_erp_adapter_strategy_close()
762 	adapter->fsf_req_seq_no = 0;  in zfcp_erp_adapter_strategy_close()
763 	zfcp_fc_wka_ports_force_offline(adapter->gs);  in zfcp_erp_adapter_strategy_close()
765 	zfcp_erp_clear_adapter_status(adapter, ZFCP_STATUS_COMMON_OPEN);  in zfcp_erp_adapter_strategy_close()
768 			  ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED, &adapter->status);  in zfcp_erp_adapter_strategy_close()
773 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy_open()  local
775 	if (zfcp_qdio_open(adapter->qdio)) {  in zfcp_erp_adapter_strategy_open()
778 				  &adapter->status);  in zfcp_erp_adapter_strategy_open()
787 	atomic_set_mask(ZFCP_STATUS_COMMON_OPEN, &adapter->status);  in zfcp_erp_adapter_strategy_open()
794 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_adapter_strategy()  local
796 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_OPEN) {  in zfcp_erp_adapter_strategy()
872 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_open_ptp_port()  local
875 	if (port->wwpn != adapter->peer_wwpn) {  in zfcp_erp_open_ptp_port()
879 	port->d_id = adapter->peer_d_id;  in zfcp_erp_open_ptp_port()
885 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_port_strategy_open_common()  local
893 		if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)  in zfcp_erp_port_strategy_open_common()
1014 			dev_err(&zfcp_sdev->port->adapter->ccw_device->dev,  in zfcp_erp_strategy_check_lun()
1047 			dev_err(&port->adapter->ccw_device->dev,  in zfcp_erp_strategy_check_port()
1063 static int zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter,  in zfcp_erp_strategy_check_adapter()  argument
1068 		atomic_set(&adapter->erp_counter, 0);  in zfcp_erp_strategy_check_adapter()
1069 		zfcp_erp_adapter_unblock(adapter);  in zfcp_erp_strategy_check_adapter()
1073 		atomic_inc(&adapter->erp_counter);  in zfcp_erp_strategy_check_adapter()
1074 		if (atomic_read(&adapter->erp_counter) > ZFCP_MAX_ERPS) {  in zfcp_erp_strategy_check_adapter()
1075 			dev_err(&adapter->ccw_device->dev,  in zfcp_erp_strategy_check_adapter()
1078 			zfcp_erp_set_adapter_status(adapter,  in zfcp_erp_strategy_check_adapter()
1084 	if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED) {  in zfcp_erp_strategy_check_adapter()
1085 		zfcp_erp_adapter_block(adapter, 0);  in zfcp_erp_strategy_check_adapter()
1094 	struct zfcp_adapter *adapter = erp_action->adapter;  in zfcp_erp_strategy_check_target()  local
1110 		result = zfcp_erp_strategy_check_adapter(adapter, result);  in zfcp_erp_strategy_check_target()
1134 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_strategy_statechange()  local
1142 		if (zfcp_erp_strat_change_det(&adapter->status, erp_status)) {  in zfcp_erp_strategy_statechange()
1143 			_zfcp_erp_adapter_reopen(adapter,  in zfcp_erp_strategy_statechange()
1175 	struct zfcp_adapter *adapter = erp_action->adapter;  in zfcp_erp_action_dequeue()  local
1178 	adapter->erp_total_count--;  in zfcp_erp_action_dequeue()
1180 		adapter->erp_low_mem_count--;  in zfcp_erp_action_dequeue()
1202 				  &erp_action->adapter->status);  in zfcp_erp_action_dequeue()
1209 	struct zfcp_adapter *adapter = act->adapter;  in zfcp_erp_action_cleanup()  local
1229 			register_service_level(&adapter->service_level);  in zfcp_erp_action_cleanup()
1230 			zfcp_fc_conditional_port_scan(adapter);  in zfcp_erp_action_cleanup()
1231 			queue_work(adapter->work_queue, &adapter->ns_up_work);  in zfcp_erp_action_cleanup()
1233 			unregister_service_level(&adapter->service_level);  in zfcp_erp_action_cleanup()
1235 		kref_put(&adapter->ref, zfcp_adapter_release);  in zfcp_erp_action_cleanup()
1259 	struct zfcp_adapter *adapter = erp_action->adapter;  in zfcp_erp_strategy()  local
1261 	kref_get(&adapter->ref);  in zfcp_erp_strategy()
1263 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_strategy()
1280 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_strategy()
1282 	write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_strategy()
1290 			++adapter->erp_low_mem_count;  in zfcp_erp_strategy()
1293 		if (adapter->erp_total_count == adapter->erp_low_mem_count)  in zfcp_erp_strategy()
1294 			_zfcp_erp_adapter_reopen(adapter, 0, "erstgy1");  in zfcp_erp_strategy()
1303 			--adapter->erp_low_mem_count;  in zfcp_erp_strategy()
1321 	write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_strategy()
1326 	kref_put(&adapter->ref, zfcp_adapter_release);  in zfcp_erp_strategy()
1332 	struct zfcp_adapter *adapter = (struct zfcp_adapter *) data;  in zfcp_erp_thread()  local
1338 		wait_event_interruptible(adapter->erp_ready_wq,  in zfcp_erp_thread()
1339 			   !list_empty(&adapter->erp_ready_head) ||  in zfcp_erp_thread()
1345 		write_lock_irqsave(&adapter->erp_lock, flags);  in zfcp_erp_thread()
1346 		next = adapter->erp_ready_head.next;  in zfcp_erp_thread()
1347 		write_unlock_irqrestore(&adapter->erp_lock, flags);  in zfcp_erp_thread()
1349 		if (next != &adapter->erp_ready_head) {  in zfcp_erp_thread()
1354 				zfcp_erp_wakeup(adapter);  in zfcp_erp_thread()
1367 int zfcp_erp_thread_setup(struct zfcp_adapter *adapter)  in zfcp_erp_thread_setup()  argument
1371 	thread = kthread_run(zfcp_erp_thread, adapter, "zfcperp%s",  in zfcp_erp_thread_setup()
1372 			     dev_name(&adapter->ccw_device->dev));  in zfcp_erp_thread_setup()
1374 		dev_err(&adapter->ccw_device->dev,  in zfcp_erp_thread_setup()
1379 	adapter->erp_thread = thread;  in zfcp_erp_thread_setup()
1392 void zfcp_erp_thread_kill(struct zfcp_adapter *adapter)  in zfcp_erp_thread_kill()  argument
1394 	kthread_stop(adapter->erp_thread);  in zfcp_erp_thread_kill()
1395 	adapter->erp_thread = NULL;  in zfcp_erp_thread_kill()
1396 	WARN_ON(!list_empty(&adapter->erp_ready_head));  in zfcp_erp_thread_kill()
1397 	WARN_ON(!list_empty(&adapter->erp_running_head));  in zfcp_erp_thread_kill()
1404 void zfcp_erp_wait(struct zfcp_adapter *adapter)  in zfcp_erp_wait()  argument
1406 	wait_event(adapter->erp_done_wqh,  in zfcp_erp_wait()
1407 		   !(atomic_read(&adapter->status) &  in zfcp_erp_wait()
1418 void zfcp_erp_set_adapter_status(struct zfcp_adapter *adapter, u32 mask)  in zfcp_erp_set_adapter_status()  argument
1425 	atomic_set_mask(mask, &adapter->status);  in zfcp_erp_set_adapter_status()
1430 	read_lock_irqsave(&adapter->port_list_lock, flags);  in zfcp_erp_set_adapter_status()
1431 	list_for_each_entry(port, &adapter->port_list, list)  in zfcp_erp_set_adapter_status()
1433 	read_unlock_irqrestore(&adapter->port_list_lock, flags);  in zfcp_erp_set_adapter_status()
1435 	spin_lock_irqsave(adapter->scsi_host->host_lock, flags);  in zfcp_erp_set_adapter_status()
1436 	__shost_for_each_device(sdev, adapter->scsi_host)  in zfcp_erp_set_adapter_status()
1438 	spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags);  in zfcp_erp_set_adapter_status()
1448 void zfcp_erp_clear_adapter_status(struct zfcp_adapter *adapter, u32 mask)  in zfcp_erp_clear_adapter_status()  argument
1456 	atomic_clear_mask(mask, &adapter->status);  in zfcp_erp_clear_adapter_status()
1462 		atomic_set(&adapter->erp_counter, 0);  in zfcp_erp_clear_adapter_status()
1464 	read_lock_irqsave(&adapter->port_list_lock, flags);  in zfcp_erp_clear_adapter_status()
1465 	list_for_each_entry(port, &adapter->port_list, list) {  in zfcp_erp_clear_adapter_status()
1470 	read_unlock_irqrestore(&adapter->port_list_lock, flags);  in zfcp_erp_clear_adapter_status()
1472 	spin_lock_irqsave(adapter->scsi_host->host_lock, flags);  in zfcp_erp_clear_adapter_status()
1473 	__shost_for_each_device(sdev, adapter->scsi_host) {  in zfcp_erp_clear_adapter_status()
1478 	spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags);  in zfcp_erp_clear_adapter_status()
1499 	spin_lock_irqsave(port->adapter->scsi_host->host_lock, flags);  in zfcp_erp_set_port_status()
1500 	__shost_for_each_device(sdev, port->adapter->scsi_host)  in zfcp_erp_set_port_status()
1504 	spin_unlock_irqrestore(port->adapter->scsi_host->host_lock, flags);  in zfcp_erp_set_port_status()
1529 	spin_lock_irqsave(port->adapter->scsi_host->host_lock, flags);  in zfcp_erp_clear_port_status()
1530 	__shost_for_each_device(sdev, port->adapter->scsi_host)  in zfcp_erp_clear_port_status()
1537 	spin_unlock_irqrestore(port->adapter->scsi_host->host_lock, flags);  in zfcp_erp_clear_port_status()