int notify_resource_state_change(struct sk_buff *skb,
				  unsigned int seq,
				  struct drbd_resource_state_change *resource_state_change,
				  enum drbd_notification_type type)
int notify_resource_state_change(struct sk_buff *skb,
				  unsigned int seq,
				  void *state_change,
				  enum drbd_notification_type type)