Ceph » rbd

From http://ceph.com/docs/master/dev/rbd-layering/#cls-rbd:

add_child(uint64_t parent_pool_id, string parent_image_id,
          uint64_t parent_snap_id, string image_id);
remove_child(uint64_t parent_pool_id, string parent_image_id,
             uint64_t parent_snap_id, string image_id);
/**
 * List ids of a given parent
 */
get_children(uint64_t parent_pool_id, string parent_image_id,
             uint64_t parent_snap_id, uint64_t max_return,
             string start);
/**
 * list parents
 */
get_parents(uint64_t max_return, uint64_t start_pool_id,
            string start_image_id, string start_snap_id);