// even if we aren't listening.
	task.respCh = make(chan healResult, 1)
	select {
	case globalBackgroundHealRoutine.tasks <- task:
		if serverDebugLog {
			fmt.Printf("Task in the queue: %#v\n", task)
		}
	case <-h.ctx.Done():
		return nil
	}

	// task queued, now wait for the response.
	select {
	case res := <-task.respCh:
		if !h.reportProgress {