}

func isAllVolumeNotFound(errs []error) bool {
	return countErrs(errs, errVolumeNotFound) == len(errs)
}

// isAllNotFound will return if any element of the error slice is not
// errFileNotFound, errFileVersionNotFound or errVolumeNotFound.
// A 0 length slice will always return false.
func isAllNotFound(errs []error) bool {
	for _, err := range errs {
		if err != nil {
			switch err.Error() {

	}
}

// Close all the writers.
func closeBitrotWriters(ws []io.Writer) []error {
	errs := make([]error, len(ws))
	for i, w := range ws {
		if w == nil {
			errs[i] = errDiskNotFound
			continue
		}
		if bw, ok := w.(io.Closer); ok {
			errs[i] = bw.Close()
		} else {
			errs[i] = nil
		}
	}
	return errs
}

// Returns hash sum for whole-bitrot, nil for streaming-bitrot.

		client := client
		g.Go(func() error {
			if client == nil {
				return errPeerOffline
			}
			res, err := client.HealBucket(ctx, bucket, opts)
			if err != nil {
				return err
			}
			healBucketResults[idx] = res
			return nil
		}, idx)
	}

	errs = g.Wait()

	for poolIdx := 0; poolIdx < sys.poolsCount; poolIdx++ {
		perPoolErrs := make([]error, 0, len(sys.peerClients))

		writeQuorum: quorum,
		errs:        make([]error, len(writers)),
	}

	for {
		var blocks [][]byte
		n, err := io.ReadFull(src, buf)
		if err != nil {
			if !IsErrIgnored(err, []error{
				io.EOF,
				io.ErrUnexpectedEOF,
			}...) {
				return 0, err
			}
		}

		eof := err == io.EOF || err == io.ErrUnexpectedEOF
		if n == 0 && total != 0 {
			// Reached EOF, nothing more to be done.
			break
		}

	meta, _, err := sys.GetConfig(GlobalContext, bucket)
	if err != nil {
		return time.Time{}, err
	}
	return meta.Created.UTC(), nil
}

// GetPolicyConfig returns configured bucket policy
// The returned object may not be modified.
func (sys *BucketMetadataSys) GetPolicyConfig(bucket string) (*policy.BucketPolicy, time.Time, error) {
	meta, _, err := sys.GetConfig(GlobalContext, bucket)
	if err != nil {

// maximal values would occur quorum or more number of times.
func reduceErrs(errs []error, ignoredErrs []error) (maxCount int, maxErr error) {
	errorCounts := make(map[error]int)
	for _, err := range errs {
		if IsErrIgnored(err, ignoredErrs...) {
			continue
		}
		// Errors due to context cancellation may be wrapped - group them by context.Canceled.
		if errors.Is(err, context.Canceled) {
			errorCounts[context.Canceled]++
			continue

func checkDiskFatalErrs(errs []error) error {
	// This returns a common error if all errors are
	// same errors, then there is no point starting
	// the server.
	if countErrs(errs, errUnsupportedDisk) == len(errs) {
		return errUnsupportedDisk
	}

	if countErrs(errs, errDiskAccessDenied) == len(errs) {
		return errDiskAccessDenied
	}

	if countErrs(errs, errFileAccessDenied) == len(errs) {

	}

	// Checking abandoned parts should do nothing
	err = er.checkAbandonedParts(ctx, bucket, object, madmin.HealOpts{ScanMode: madmin.HealNormalScan, Remove: true})
	if err != nil {
		t.Fatal(err)
	}

	_, err = er.HealObject(ctx, bucket, object, "", madmin.HealOpts{ScanMode: madmin.HealNormalScan})
	if err != nil {
		t.Fatal(err)
	}

	// Attempt to load all `format.json` from all disks.
	formatConfigs, sErrs := loadFormatErasureAll(storageDisks, false)

	if err := checkDiskFatalErrs(sErrs); err != nil {
		return nil, err
	}

	for i, err := range sErrs {
		if err != nil && !errors.Is(err, errXLBackend) && !errors.Is(err, errUnformattedDisk) {
			if errors.Is(err, errDiskNotFound) && verboseLogging {

				ActualSize: -1,
				DisableMD5: true,
			}
			hr, err := hash.NewReaderWithOpts(ctx, bytes.NewReader(fanOutBuf), hopts)
			if err != nil {
				errs[idx] = err
				return
			}

			reader := NewPutObjReader(hr)
			defer func() {
				if err := reader.Close(); err != nil {
					errs[idx] = err
				}
				if err := hr.Close(); err != nil {
					errs[idx] = err
				}
			}()