return consumed, nil, typ, err
	}

	return consumed, nameBuf[:nameLen], typ, nil
}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, fn func(name string, typ os.FileMode) error) error {
	fd, err := openFileWithFD(dirPath, readMode, 0o666)
	if err != nil {

		return errInvalidArgument
	}

	z.poolMetaMutex.Lock()
	defer z.poolMetaMutex.Unlock()

	fn := z.decommissionCancelers[idx]
	if fn == nil {
		// canceling a decommission before it started return an error.
		return errDecommissionNotStarted
	}

	defer fn() // cancel any active thread.

	if z.poolMeta.DecommissionCancel(idx) {

	tests := []struct {
		name string
		fn   func(b *testing.B, n int)
	}{
		{name: "request", fn: benchmarkGridStreamReqOnly},
		{name: "responses", fn: benchmarkGridStreamRespOnly},
	}
	for _, test := range tests {
		b.Run(test.name, func(b *testing.B) {
			for n := 2; n <= 32; n *= 2 {
				b.Run("servers="+strconv.Itoa(n), func(b *testing.B) {
					test.fn(b, n)
				})
			}
		})
	}
}

		if err != nil {
			return nil, 0, 0, err
		}
		fn = func(inputReader io.Reader, _ http.Header, cFns ...func()) (r *GetObjectReader, err error) {
			r = &GetObjectReader{
				ObjInfo:    oi,
				Reader:     inputReader,
				cleanUpFns: cFns,
			}
			return r, nil
		}
	}
	return fn, off, length, nil
}

// Close - calls the cleanup actions in reverse order

§EcBSizeÒ §EcIndex ¦EcDistœ ¨CSumAlgo ¨PartNums‘ ©PartETagsÀ©PartSizes‘Ñ !ªPartASizes‘Ñ !¤SizeÑ !¥MTimeÓ É ŸBÏÀ§MetaSys ¼x-minio-internal-inline-dataÄ true§MetaUsr‚¤etagÙ 83a7a4f493d028750df8¬content-type°application/json¡v Î:f ú ¤nullÄÑ—sSGN4ÇÑç>J fN v ªïìŸCÆx Â|è±é´ {"lastUpdate":"2024-04-25T20:31:49.258248Z","objectsCount":0,"versionsCount":0,"deleteMarkersCount":0,"objectsTotalSize":0,"objectsReplicationIn":null,"bucketsCount":1,"bucket multisitea/data/disterasure/xl6/.minio.sys/buckets/buck...

func decodeVersions(buf []byte, versions int, fn func(idx int, hdr, meta []byte) error) (e error) {
	var tHdr, tMeta []byte // Zero copy bytes
	for i := 0; i < versions; i++ {
		tHdr, buf, e = msgp.ReadBytesZC(buf)
		if e != nil {
			return e
		}
		tMeta, buf, e = msgp.ReadBytesZC(buf)
		if e != nil {
			return e
		}
		if e = fn(i, tHdr, tMeta); e != nil {
			return e
		}
	}
	return nil

	tgtClient, err := globalTierConfigMgr.getDriver(ctx, oi.TransitionedObject.Tier)
	if err != nil {
		return nil, fmt.Errorf("transition storage class not configured: %w", err)
	}

	fn, off, length, err := NewGetObjectReader(rs, oi, opts)
	if err != nil {
		return nil, ErrorRespToObjectError(err, bucket, object)
	}
	gopts := WarmBackendGetOpts{}

	// get correct offsets for object

	tgt, oi, proxy := proxyHeadToRepTarget(ctx, bucket, object, rs, opts, proxyTargets)
	if !proxy.Proxy {
		return nil, proxy, nil
	}
	fn, _, _, err := NewGetObjectReader(nil, oi, opts)
	if err != nil {
		return nil, proxy, err
	}
	gopts := minio.GetObjectOptions{
		VersionID:            opts.VersionID,

	pr.processedReader = newCountUpReader(r)

	return &pr, nil
}

type nopReadCloser struct {
	fn func()
}

func (n2 *nopReadCloser) Read(p []byte) (n int, err error) {
	panic("should not be called")
}

func (n2 *nopReadCloser) Close() error {
	if n2.fn != nil {
		n2.fn()
	}
	n2.fn = nil
	return nil

	switch madmin.ProfilerType(profilerType) {
	case madmin.ProfilerCPU:
		dirPath, err := os.MkdirTemp("", "profile")
		if err != nil {
			return nil, err
		}
		fn := filepath.Join(dirPath, "cpu.out")
		f, err := Create(fn)
		if err != nil {
			return nil, err
		}
		err = pprof.StartCPUProfile(f)
		if err != nil {
			return nil, err
		}
		prof.stopFn = func() ([]byte, error) {