code: func (dswp *desiredStateOfWorldPopulator) podPreviouslyProcessed(
  	podName volumetypes.UniquePodName) bool {
  	dswp.pods.RLock()
  	defer dswp.pods.RUnlock()
  
  	_, exists := dswp.pods.processedPods[podName]
  	return exists
  }
docs: // podPreviouslyProcessed returns true if the volumes for this pod have already
  // been processed by the populator