info = Info{
		Total:  uint64(s.F_bsize) * (uint64(s.F_blocks) - reservedBlocks),
		Free:   uint64(s.F_bsize) * uint64(s.F_bavail),
		Files:  uint64(s.F_files),
		Ffree:  uint64(s.F_ffree),
		FSType: getFSType(s.F_fstypename[:]),
	}
	if info.Free > info.Total {
		return info, fmt.Errorf("detected free space (%d) > total drive space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
	}

			}
		}
	}
}

// Helpers for tests.

// Check if two `mountInfo` are equal.
func mountPointsEqual(a, b mountInfo) bool {
	if a.Device != b.Device || a.Path != b.Path || a.FSType != b.FSType || !slicesEqual(a.Options, b.Options) || a.Pass != b.Pass || a.Freq != b.Freq {
		return false
	}
	return true
}

// Checks if two string slices are equal.
func slicesEqual(a, b []string) bool {

	}

	info = Info{
		Total:  uint64(lpTotalNumberOfBytes),
		Free:   uint64(lpTotalNumberOfFreeBytes),
		Used:   uint64(lpTotalNumberOfBytes) - uint64(lpTotalNumberOfFreeBytes),
		FSType: getFSType(path),
	}

	// Return values of GetDiskFreeSpace()
	lpSectorsPerCluster := uint32(0)
	lpBytesPerSector := uint32(0)
	lpNumberOfFreeClusters := uint32(0)
	lpTotalNumberOfClusters := uint32(0)

  // +optional
  optional string cachingMode = 3;

  // fsType is Filesystem type to mount.
  // Must be a filesystem type supported by the host operating system.
  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
  // +optional
  optional string fsType = 4;

  // readOnly Defaults to false (read/write). ReadOnly here will force

	"volumeID":  "volumeID is unique ID of the persistent disk resource in AWS (Amazon EBS volume). More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore",

	if err != nil {
		return nil, err
	}

	klog.V(5).Infof("fc: newMounterInternal volumeMode %s", volumeMode)
	return &fcDiskMounter{
		fcDisk:       fcDisk,
		fsType:       fc.FSType,
		volumeMode:   volumeMode,
		readOnly:     readOnly,
		mounter:      &mount.SafeFormatAndMount{Interface: mounter, Exec: exec},
		deviceUtil:   util.NewDeviceHandler(util.NewIOHandler()),

	// mount --bind /var/lib/kubelet /var/lib/kubelet
	if err := syscall.Mount(path, path, "" /*fstype*/, syscall.MS_BIND, "" /*data*/); err != nil {
		return fmt.Errorf("failed to bind-mount %s: %v", path, err)
	}

	// mount --make-rshared /var/lib/kubelet
	if err := syscall.Mount(path, path, "" /*fstype*/, syscall.MS_SHARED|syscall.MS_REC, "" /*data*/); err != nil {

  // +optional
  optional string cachingMode = 3;

  // fsType is Filesystem type to mount.
  // Must be a filesystem type supported by the host operating system.
  // Ex. "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
  // +optional
  optional string fsType = 4;

  // readOnly Defaults to false (read/write). ReadOnly here will force

	Uid       uint32
	Gid       uint32
	Rdev      uint64
	Size      int64
	Atim      Timespec
	Mtim      Timespec
	Ctim      Timespec
	Blksize   int32
	Pad_cgo_0 [4]byte
	Blocks    int64
	Fstype    [16]int8
}

type Flock_t struct {
	Type      int16
	Whence    int16
	Pad_cgo_0 [4]byte
	Start     int64
	Len       int64
	Sysid     int32
	Pid       int32
	Pad       [4]int64
}

// On success a sorted meta cache stream will be returned.
// Metadata has data stripped, if any.
func (s *xlStorage) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) (err error) {
	legacyFS := !(s.fsType == xfs || s.fsType == ext4)

	s.RLock()
	legacy := s.formatLegacy
	s.RUnlock()

	// Verify if volume is valid and it exists.
	volumeDir, err := s.getVolDir(opts.Bucket)
	if err != nil {
		return err
	}