return err
	}

	switch serverSupportStatus {
	case ESSUnknown:
		return errors.New("unable to determine support status of ES (should not happen)")

	case ESSDeprecated:
		return errors.New("there is no currently deprecated version of ES in MinIO")

	case ESSSupported:
		target.client = clientV7

	default:
		// ESSUnsupported case

		dev := uint64(sys.Rdev) // May be int32 or uint32
		switch runtime.GOOS {
		case "aix":
			var major, minor uint32
			major = uint32((dev & 0x3fffffff00000000) >> 32)
			minor = uint32((dev & 0x00000000ffffffff) >> 0)
			h.Devmajor, h.Devminor = int64(major), int64(minor)
		case "linux":
			// Copied from golang.org/x/sys/unix/dev_linux.go.
			major := uint32((dev & 0x00000000000fff00) >> 8)

			result.Servers = len(globalNotificationSys.peerClients) + 1
			result.Version = Version
			result.Concurrent = concurrency

			select {
			case ch <- result:
			case <-ctx.Done():
				return
			}
		}

		for {
			select {
			case <-ctx.Done():
				// If the client got disconnected stop the speedtest.
				return
			default:
			}

			sopts := speedTestOpts{

	wg := &WaitGroup{
		done: make(chan struct{}),
	}

	wg.Add(n)
	return wg, func() {
		select {
		case <-wg.C():
			return
		case <-time.After(time.Second):
			t.Fatal("Wait group timed out!\n")
		}
	}
}

func (wg *WaitGroup) Add(i int32) {
	select {
	case <-wg.done:
		panic("use of an already closed WaitGroup")
	default:
	}
	atomic.AddInt32(&wg.count, i)
}

	switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32
	case "CRC32C":
		return ChecksumCRC32C
	case "SHA1":
		return ChecksumSHA1
	case "SHA256":
		return ChecksumSHA256
	case "":
		return ChecksumNone
	}
	return ChecksumInvalid
}

// String returns the type as a string.
func (c ChecksumType) String() string {
	switch {
	case c.Is(ChecksumCRC32):
		return "CRC32"

		t.Fatal("GetLock() should be successful")
	}

	// Make it run twice.
	timer := time.NewTimer(testDrwMutexRefreshInterval * 2)

	select {
	case <-ctx.Done():
		t.Fatal("Lock context canceled which is not expected")
	case <-timer.C:
	}

	// Should be safe operation in all cases
	dm.Unlock(context.Background())
}

// Test canceling context while quorum servers report lock not found

func (v Value) GetTypeString() string {
	switch v.value.(type) {
	case nil:
		return "NULL"
	case bool:
		return "BOOL"
	case string:
		return "STRING"
	case int64:
		return "INT"
	case float64:
		return "FLOAT"
	case time.Time:
		return "TIMESTAMP"
	case []byte:
		return "BYTES"
	case []Value:
		return "ARRAY"
	case Missing:
		return "MISSING"
	}
	return "--"
}

	for {
		select {
		case <-m.ctx.Done():
			if debugPrint {
				fmt.Println("Client sending disconnect to mux", m.MuxID)
			}
			err := context.Cause(m.ctx)
			if !errors.Is(err, errStreamEOF) {
				m.addErrorNonBlockingClose(respHandler, err)
			}
			return
		case resp, ok := <-respServer:
			if !ok {
				return
			}
			select {
			case respHandler <- resp:
				m.respMu.Lock()

func (es *expiryState) Worker(input <-chan expiryOp) {
	for {
		select {
		case <-es.ctx.Done():
			return
		case v, ok := <-input:
			if !ok {
				return
			}
			if v == nil {
				// ResizeWorkers signaling worker to quit
				return
			}
			switch v := v.(type) {
			case expiryTask:
				if v.objInfo.TransitionedObject.Status != "" {

	// Determine the character encoding.
	utf8Valid1, utf8Require1 := detectUTF8(f.Name)
	utf8Valid2, utf8Require2 := detectUTF8(f.Comment)
	switch {
	case !utf8Valid1 || !utf8Valid2:
		// Name and Comment definitely not UTF-8.
		f.NonUTF8 = true
	case !utf8Require1 && !utf8Require2:
		// Name and Comment use only single-byte runes that overlap with UTF-8.
		f.NonUTF8 = false
	default: