code: func rankDiskPressureFunc(fsStatsToMeasure []fsStatsType, diskResource v1.ResourceName) rankFunc {
  	return func(pods []*v1.Pod, stats statsFunc) {
  		orderedBy(exceedDiskRequests(stats, fsStatsToMeasure, diskResource), priority, disk(stats, fsStatsToMeasure, diskResource)).Sort(pods)
  	}
  }
docs: // rankDiskPressureFunc returns a rankFunc that measures the specified fs stats.