vdo_geometry_block
struct vdo_geometry_block *geometry_block =
container_of(as_vio(completion), struct vdo_geometry_block, vio);
struct vdo_geometry_block *geometry_block = &vdo->geometry_block;
struct vdo_geometry_block *geometry_block)
static void uninitialize_geometry_block(struct vdo_geometry_block *geometry_block)
struct vdo_geometry_block geometry_block;