extern rwlock_t global_state_lock;
extern int conn_lowest_minor(struct drbd_connection *connection);
-enum drbd_ret_code drbd_create_device(struct drbd_connection *connection, unsigned int minor, int vnr);
+enum drbd_ret_code drbd_create_device(struct drbd_resource *resource, unsigned int minor, int vnr);
extern void drbd_destroy_device(struct kref *kref);
extern void drbd_delete_device(struct drbd_device *mdev);