func reduceReadQuorumErrs(ctx context.Context, errs []error, ignoredErrs []error, readQuorum int) (maxErr error) {
	return reduceQuorumErrs(ctx, errs, ignoredErrs, readQuorum, errErasureReadQuorum)
}

// reduceWriteQuorumErrs behaves like reduceErrs but only for returning
// values of maximally occurring errors validated against writeQuorum.
func reduceWriteQuorumErrs(ctx context.Context, errs []error, ignoredErrs []error, writeQuorum int) (maxErr error) {

	for i, testCase := range testCases {
		gotErr := reduceReadQuorumErrs(t.Context(), testCase.errs, testCase.ignoredErrs, 5)
		if gotErr != testCase.err {
			t.Errorf("Test %d : expected %s, got %s", i+1, testCase.err, gotErr)
		}
		gotNewErr := reduceWriteQuorumErrs(t.Context(), testCase.errs, testCase.ignoredErrs, 6)
		if gotNewErr != errErasureWriteQuorum {

	Prefix string                     `json:"prefix"`
	Policy miniogopolicy.BucketPolicy `json:"policy"`
}

// IsErrIgnored returns whether given error is ignored or not.
func IsErrIgnored(err error, ignoredErrs ...error) bool {
	return IsErr(err, ignoredErrs...)
}

// IsErr returns whether given error is exact error.
func IsErr(err error, errs ...error) bool {
	for _, exactErr := range errs {
		if errors.Is(err, exactErr) {
			return true

	defer func() {
		ignoredErrs := []error{
			errFileNotFound,
			errVolumeNotFound,
			errFileVersionNotFound,
			errDiskNotFound,
			errUnformattedDisk,
			errMaxVersionsExceeded,
			errFileAccessDenied,
		}
		if err != nil && !IsErr(err, ignoredErrs...) && !contextCanceled(ctx) {
			// Only log these errors if context is not yet canceled.

		// Snappy/S2 stream
		header: []byte{0xff, 0x06, 0x00, 0x00},
		f:      formatS2,
	},
	{
		header: []byte{0x42, 0x5a, 'h'},
		f:      formatBZ2,
	},
}

type untarOptions struct {
	ignoreDirs bool
	ignoreErrs bool
	prefixAll  string
}

// disconnectReader will ensure that no reads can take place on
// the upstream reader after close has been called.
type disconnectReader struct {
	r  io.Reader

		sha256hex           = ""
		reader    io.Reader = r.Body
		s3Err     APIErrorCode
		putObject = objectAPI.PutObject
	)

	var opts untarOptions
	opts.ignoreDirs = strings.EqualFold(r.Header.Get(xhttp.MinIOSnowballIgnoreDirs), "true")
	opts.ignoreErrs = strings.EqualFold(r.Header.Get(xhttp.MinIOSnowballIgnoreErrors), "true")
	opts.prefixAll = r.Header.Get(xhttp.MinIOSnowballPrefix)
	if opts.prefixAll != "" {