func (m *Monitor) Start(stop <-chan struct{}) {
	m.checkAndUpdate()

	c := make(chan struct{}, 1)
	m.updateCh = c
	if err := fileTrigger(m.root, m.updateCh, stop); err != nil {
		log.Errorf("Unable to setup FileTrigger for %s: %v", m.root, err)
	}
	// Run the close loop asynchronously.
	go func() {
		for {
			select {
			case <-c: