code: func (c *Controller) Run(workers int, stopCh <-chan struct{}) {
  	defer utilruntime.HandleCrash()
  	defer c.queue.ShutDown()
  
  	klog.Infof("Starting PV protection controller")
  	defer klog.Infof("Shutting down PV protection controller")
  
  	if !controller.WaitForCacheSync("PV protection", stopCh, c.pvListerSynced) {
  		return
  	}
  
  	for i := 0; i < workers; i++ {
  		go wait.Until(c.runWorker, time.Second, stopCh)
  	}
  
  	<-stopCh
  }
docs: // Run runs the controller goroutines.