code: func (p *StatsProvider) HasDedicatedImageFs() (bool, error) {
  	device, err := p.containerStatsProvider.ImageFsDevice()
  	if err != nil {
  		return false, err
  	}
  	rootFsInfo, err := p.cadvisor.RootFsInfo()
  	if err != nil {
  		return false, err
  	}
  	return device != rootFsInfo.Device, nil
  }
docs: // HasDedicatedImageFs returns true if a dedicated image filesystem exists for storing images.