+extern int device_get_num_fake_partitions(struct udev_device *udev_device);
+extern int device_set_num_fake_partitions(struct udev_device *udev_device, int num);
+extern int device_get_link_priority(struct udev_device *udev_device);
+extern int device_set_link_priority(struct udev_device *udev_device, int prio);
+extern int device_get_ignore_remove(struct udev_device *udev_device);
+extern int device_set_ignore_remove(struct udev_device *udev_device, int ignore);