modTimes := make([]time.Time, diskCount)
	// Boots up all the modtimes.
	for i := range modTimes {
		modTimes[i] = timeSentinel
	}
	return modTimes
}

func listObjectETags(partsMetadata []FileInfo, errs []error, quorum int) (etags []string) {
	etags = make([]string, len(partsMetadata))
	vidMap := map[string]int{}
	for index, metadata := range partsMetadata {
		if errs[index] != nil {