void h2o_http2_conn_request_write(h2o_http2_conn_t *conn)
{
    if (conn->state == H2O_HTTP2_CONN_STATE_IS_CLOSING)
        return;
    request_gathered_write(conn);
}
void h2o_http2_conn_request_write(h2o_http2_conn_t *conn)
{
    if (conn->state == H2O_HTTP2_CONN_STATE_IS_CLOSING)
        return;
    request_gathered_write(conn);
}