465 static int rnbd_srv_check_update_open_perm(struct rnbd_srv_dev *srv_dev,  in rnbd_srv_check_update_open_perm()  argument
471 	mutex_lock(&srv_dev->lock);  in rnbd_srv_check_update_open_perm()
477 		if (srv_dev->open_write_cnt == 0)  {  in rnbd_srv_check_update_open_perm()
478 			srv_dev->open_write_cnt++;  in rnbd_srv_check_update_open_perm()
481 			       srv_dev->name, srv_sess->sessname,  in rnbd_srv_check_update_open_perm()
482 			       srv_dev->open_write_cnt,  in rnbd_srv_check_update_open_perm()
488 		if (srv_dev->open_write_cnt < 2) {  in rnbd_srv_check_update_open_perm()
489 			srv_dev->open_write_cnt++;  in rnbd_srv_check_update_open_perm()
492 			       srv_dev->name, srv_sess->sessname,  in rnbd_srv_check_update_open_perm()
493 			       srv_dev->open_write_cnt,  in rnbd_srv_check_update_open_perm()
500 		       srv_dev->name, srv_sess->sessname, access_mode);  in rnbd_srv_check_update_open_perm()
504 	mutex_unlock(&srv_dev->lock);  in rnbd_srv_check_update_open_perm()
563 			      struct rnbd_srv_dev *srv_dev)  in rnbd_srv_create_set_sess_dev()  argument
576 	sdev->dev		= srv_dev;  in rnbd_srv_create_set_sess_dev()
677 	struct rnbd_srv_dev *srv_dev;  in process_msg_open()  local
726 	srv_dev = rnbd_srv_get_or_create_srv_dev(bdev, srv_sess,  in process_msg_open()
728 	if (IS_ERR(srv_dev)) {  in process_msg_open()
730 		       full_path, srv_sess->sessname, PTR_ERR(srv_dev));  in process_msg_open()
731 		ret = PTR_ERR(srv_dev);  in process_msg_open()
737 				srv_dev);  in process_msg_open()
749 	mutex_lock(&srv_dev->lock);  in process_msg_open()
750 	if (!srv_dev->dev_kobj.state_in_sysfs) {  in process_msg_open()
751 		ret = rnbd_srv_create_dev_sysfs(srv_dev, bdev);  in process_msg_open()
753 			mutex_unlock(&srv_dev->lock);  in process_msg_open()
763 		mutex_unlock(&srv_dev->lock);  in process_msg_open()
770 	list_add(&srv_sess_dev->dev_list, &srv_dev->sess_dev_list);  in process_msg_open()
771 	mutex_unlock(&srv_dev->lock);  in process_msg_open()
773 	rnbd_srv_info(srv_sess_dev, "Opened device '%s'\n", srv_dev->name);  in process_msg_open()
788 		mutex_lock(&srv_dev->lock);  in process_msg_open()
789 		srv_dev->open_write_cnt--;  in process_msg_open()
790 		mutex_unlock(&srv_dev->lock);  in process_msg_open()
792 	rnbd_put_srv_dev(srv_dev);  in process_msg_open()