vals [maxNCodes]uint8
	// minCodes[i] is the minimum code of length i, or -1 if there are no
	// codes of that length.
	minCodes [maxCodeLength]int32
	// maxCodes[i] is the maximum code of length i, or -1 if there are no
	// codes of that length.
	maxCodes [maxCodeLength]int32
	// valsIndices[i] is the index into vals of minCodes[i].
	valsIndices [maxCodeLength]int32
}

		# HELP kubelet_volume_stats_inodes [ALPHA] Maximum number of inodes in the volume
		# TYPE kubelet_volume_stats_inodes gauge
		# HELP kubelet_volume_stats_inodes_free [ALPHA] Number of free inodes in the volume
		# TYPE kubelet_volume_stats_inodes_free gauge
		# HELP kubelet_volume_stats_inodes_used [ALPHA] Number of used inodes in the volume
		# TYPE kubelet_volume_stats_inodes_used gauge

	assert.Equal(imageFsInfo.Capacity, *stats.CapacityBytes)
	assert.Equal(imageStats.TotalStorageBytes, *stats.UsedBytes)
	assert.Equal(imageFsInfo.InodesFree, stats.InodesFree)
	assert.Equal(imageFsInfo.Inodes, stats.Inodes)
	assert.Equal(*imageFsInfo.Inodes-*imageFsInfo.InodesFree, *stats.InodesUsed)
}

func TestCadvisorImagesFsStats(t *testing.T) {
	ctx := context.Background()
	mockCtrl := gomock.NewController(t)
	defer mockCtrl.Finish()

	capacity := uint64(metric.Capacity.Value())
	used := uint64(metric.Used.Value())
	inodes := uint64(metric.Inodes.Value())
	inodesFree := uint64(metric.InodesFree.Value())
	inodesUsed := uint64(metric.InodesUsed.Value())
	return kubestats.FsStats{
		AvailableBytes: &available,
		CapacityBytes:  &capacity,
		UsedBytes:      &used,
		Inodes:         &inodes,
		InodesFree:     &inodesFree,
		InodesUsed:     &inodesUsed,
	}
}

package disk

// Info stat fs struct is container which holds following values
// Total - total size of the volume / disk
// Free - free size of the volume / disk
// 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

		"Maximum number of inodes in the volume",
		[]string{"namespace", "persistentvolumeclaim"}, nil,
		metrics.ALPHA, "",
	)
	volumeStatsInodesFreeDesc = metrics.NewDesc(
		metrics.BuildFQName("", kubeletmetrics.KubeletSubsystem, kubeletmetrics.VolumeStatsInodesFreeKey),
		"Number of free inodes in the volume",
		[]string{"namespace", "persistentvolumeclaim"}, nil,
		metrics.ALPHA, "",

		Usage:      uint64(seed + offsetFsUsage),
		Inodes:     &inodes,
		InodesFree: &inodesFree,
	}
}

func getPodVolumeStats(seed int, volumeName string) statsapi.VolumeStats {
	availableBytes := uint64(seed + offsetFsAvailable)
	capacityBytes := uint64(seed + offsetFsCapacity)
	usedBytes := uint64(seed + offsetFsUsage)
	inodes := uint64(seed + offsetFsInodes)

	// InodesUsed represents the total inodes used by the Volume.
	InodesUsed *resource.Quantity

	// Inodes represents the total number of inodes available in the volume.
	// For volumes that share a filesystem with the host (e.g. emptydir, hostpath),
	// this is the inodes available in the underlying storage,
	// and will not equal InodesUsed + InodesFree as the fs is shared.
	Inodes *resource.Quantity

	driveUsedInodesMD = NewGaugeMD(driveUsedInodes,
		"Total used inodes on a drive", allDriveLabels...)
	driveFreeInodesMD = NewGaugeMD(driveFreeInodes,
		"Total free inodes on a drive", allDriveLabels...)
	driveTotalInodesMD = NewGaugeMD(driveTotalInodes,
		"Total inodes available on a drive", allDriveLabels...)
	driveTimeoutErrorsMD = NewCounterMD(driveTimeoutErrorsTotal,

)

func openNsTestOverride(s string) (NetnsCloser, error) {
	return newFakeNs(inc()), nil
}

func openNsTestOverrideWithInodes(inodes ...uint64) func(s string) (NetnsCloser, error) {
	i := 0
	return func(s string) (NetnsCloser, error) {
		inode := inodes[i]
		i++
		return newFakeNsInode(inc(), inode), nil
	}
}

func TestUpsertPodCache(t *testing.T) {
	counter.Store(0)