"794c7630": "overlayfs",
	"2fc12fc1": "zfs",
	"ff534d42": "cifs",
	"53464846": "wslfs",
}

// getFSType returns the filesystem type of the underlying mounted filesystem
func getFSType(ftype int32) string {
	fsTypeHex := strconv.FormatInt(int64(ftype), 16)
	fsTypeString, ok := fsType2StringMap[fsTypeHex]
	if !ok {
		return "UNKNOWN"
	}
	return fsTypeString
}

	"794c7630": "overlayfs",
	"2fc12fc1": "zfs",
	"ff534d42": "cifs",
	"53464846": "wslfs",
}

// getFSType returns the filesystem type of the underlying mounted filesystem
func getFSType(ftype uint32) string {
	fsTypeHex := strconv.FormatUint(uint64(ftype), 16)
	fsTypeString, ok := fsType2StringMap[fsTypeHex]
	if !ok {
		return "UNKNOWN"
	}
	return fsTypeString
}

	"testing"

	"github.com/minio/minio/internal/disk"
)

func TestFree(t *testing.T) {
	di, err := disk.GetInfo(t.TempDir(), true)
	if err != nil {
		t.Fatal(err)
	}

	if di.FSType == "UNKNOWN" {
		t.Error("Unexpected FSType", di.FSType)
	}

		return Info{}, err
	}
	reservedBlocks := s.Bfree - s.Bavail
	info = Info{
		Total:  uint64(s.Bsize) * (s.Blocks - reservedBlocks),
		Free:   uint64(s.Bsize) * s.Bavail,
		Files:  s.Files,
		Ffree:  s.Ffree,
		FSType: getFSType(s.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)
	}

// Files - total inodes available
// Ffree - free inodes available
// FSType - file system type
// Major - major dev id
// Minor - minor dev id
// Devname - device name
type Info struct {
	Total      uint64
	Free       uint64
	Used       uint64
	Files      uint64
	Ffree      uint64
	FSType     string
	Major      uint32
	Minor      uint32
	Name       string
	Rotational *bool

	info = Info{
		Total:  uint64(s.Frsize) * (uint64(s.Blocks) - reservedBlocks),
		Free:   uint64(s.Frsize) * uint64(s.Bavail),
		Files:  uint64(s.Files),
		Ffree:  uint64(s.Ffree),
		FSType: string(s.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)
	}

	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)
	}

	}

	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)

	}
	reservedBlocks := s.Bfree - uint64(s.Bavail)
	info = Info{
		Total:  uint64(s.Bsize) * (s.Blocks - reservedBlocks),
		Free:   uint64(s.Bsize) * uint64(s.Bavail),
		Files:  s.Files,
		Ffree:  uint64(s.Ffree),
		FSType: getFSType(s.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)
	}

// 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
	}