http1client: fix one comment about link timer
@@ -810,7 +810,8 @@ static void start_request(struct st_h2o_http1client_t *client, h2o_iovec_t metho
}
client->super.bytes_written.total = client->sock->bytes_written;
- /* TODO no need to set the timeout if all data has been written into TCP sendbuf */
+ /* Even all data highly likely has been written into TCP sendbuf,
+ * assumes the socket write operation is asynchronous and link the timer */
client->super._timeout.cb = on_send_timeout;
h2o_timer_link(client->super.ctx->loop, client->super.ctx->io_timeout, &client->super._timeout);
