func GetTotalCapacity(diskInfo []madmin.Disk) (capacity uint64) {
	for _, disk := range diskInfo {
		capacity += disk.TotalSpace
	}
	return
}

// GetTotalUsableCapacity gets the total usable capacity in the cluster.
func GetTotalUsableCapacity(diskInfo []madmin.Disk, s StorageInfo) (capacity uint64) {
	for _, disk := range diskInfo {
		// Ignore invalid.

// - Non-healing disks
// - Healing disks (if inclHealing is true)
func (er erasureObjects) getOnlineDisksWithHealingAndInfo(inclHealing bool) (newDisks []StorageAPI, newInfos []DiskInfo, healing bool) {
	var wg sync.WaitGroup
	disks := er.getDisks()
	infos := make([]DiskInfo, len(disks))
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for _, i := range r.Perm(len(disks)) {
		i := i
		wg.Add(1)
		go func() {
			defer wg.Done()

		if offlineDisks.Sum() > 0 {
			mcMessage = "Use `mc admin info` to look for latest server/drive info\n"
		}

		diskInfo := fmt.Sprintf(" %d Online, %d Offline. ", onlineDisks.Sum(), offlineDisks.Sum())
		msg += color.Blue("Status:") + fmt.Sprintf(getFormatStr(len(diskInfo), 8), diskInfo)
		if len(mcMessage) > 0 {
			msg = fmt.Sprintf("%s %s", mcMessage, msg)
		}
	}
	return msg
}

	// Returns healing information for a newly replaced disk,
	// returns 'nil' once healing is complete or if the disk
	// has never been replaced.
	Healing() *healingTracker
	DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error)
	NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode, shouldSleep func() bool) (dataUsageCache, error)

	// Volume operations.

			}
		}
		if max < readQuorum {
			return 0
		}
		return commonCount
	}

	return filter()
}

func getQuorumDiskInfos(disks []StorageAPI, infos []DiskInfo, readQuorum int) (newDisks []StorageAPI, newInfos []DiskInfo) {
	commonMutations := calcCommonCounter(infos, readQuorum)
	for i, info := range infos {
		mutations := info.Metrics.TotalDeletes + info.Metrics.TotalWrites
		if mutations >= commonMutations {

	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		err := v.DecodeMsg(dc)
		if err != nil {
			b.Fatal(err)
		}
	}
}

func BenchmarkDecodeDiskInfoMsgp(b *testing.B) {
	v := DiskInfo{
		Total:     1000,
		Free:      1000,
		Used:      1000,
		FSType:    "xfs",
		RootDisk:  true,
		Healing:   true,
		Endpoint:  "http://localhost:9001/tmp/drive1",
		MountPath: "/tmp/drive1",

		return info, err
	}
	return d.disk.NSScanner(ctx, cache, updates, scanMode, weSleep)
}

func (d *naughtyDisk) DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error) {
	if err := d.calcError(); err != nil {
		return info, err
	}
	return d.disk.DiskInfo(ctx, opts)
}

func (d *naughtyDisk) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {

	return *client.diskID.Load(), nil
}

func (client *storageRESTClient) SetDiskID(id string) {
	client.diskID.Store(&id)
}

func (client *storageRESTClient) DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error) {
	if !client.IsOnline() {
		// make sure to check if the disk is offline, since the underlying
		// value is cached we should attempt to invalidate it if such calls

	newFormats := make([][]*formatErasureV3, setCount)
	for i := range refFormat.Erasure.Sets {
		newFormats[i] = make([]*formatErasureV3, setDriveCount)
	}
	currentDisksInfo := make([][]DiskInfo, setCount)
	for i := range refFormat.Erasure.Sets {
		currentDisksInfo[i] = make([]DiskInfo, setDriveCount)
	}
	for i := range refFormat.Erasure.Sets {

	}
}

func BenchmarkMarshalMsgDiskInfo(b *testing.B) {
	v := DiskInfo{}
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.MarshalMsg(nil)
	}
}

func BenchmarkAppendMsgDiskInfo(b *testing.B) {
	v := DiskInfo{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()