// SignalNodeFsAvailable is amount of storage available on filesystem that kubelet uses for volumes, daemon logs, etc.
	SignalNodeFsAvailable Signal = "nodefs.available"
	// SignalNodeFsInodesFree is amount of inodes available on filesystem that kubelet uses for volumes, daemon logs, etc.
	SignalNodeFsInodesFree Signal = "nodefs.inodesFree"

	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,

See the License for the specific language governing permissions and
limitations under the License.
*/

package fs

import (
	"fmt"
)

type UsageInfo struct {
	Bytes  int64
	Inodes int64
}

// Info unsupported returns 0 values for available and capacity and an error.
func Info(path string) (int64, int64, int64, int64, int64, int64, error) {

)

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)

	bytes, err := v.GetConsumption(v.mountpoint, id)
	if err != nil {
		return false, err
	}
	if bytes > 0 {
		return true, nil
	}
	inodes, err := v.GetInodes(v.mountpoint, id)
	return inodes > 0, err

	usedBytes := rand.Uint64() / 100
	inodes := rand.Uint64()
	inodesFree := rand.Uint64()
	inodesUsed := rand.Uint64() / 100
	for i, name := range volumeNames {
		fsStats := statsapi.FsStats{
			Time:           metav1.NewTime(time.Now()),
			AvailableBytes: &availableBytes,
			CapacityBytes:  &capacityBytes,
			UsedBytes:      &usedBytes,
			Inodes:         &inodes,
			InodesFree:     &inodesFree,

	return &statsapi.FsStats{
		Time:           metav1.NewTime(rootFsInfo.Timestamp),
		AvailableBytes: &rootFsInfo.Available,
		CapacityBytes:  &rootFsInfo.Capacity,
		InodesFree:     rootFsInfo.InodesFree,
		Inodes:         rootFsInfo.Inodes,
	}

			break
		}
		// When building to wasip1, the host runtime might be running on Windows
		// or might expose a remote file system which does not have the concept
		// of inodes. Therefore, we cannot make the assumption that it is safe
		// to skip entries with zero inodes.
		if ino == 0 && runtime.GOOS != "wasip1" {
			continue
		}
		const namoff = uint64(unsafe.Offsetof(syscall.Dirent{}.Name))
		namlen, ok := direntNamlen(rec)

		imageFsRet.AvailableBytes = &imageFsInfo.Available
		imageFsRet.CapacityBytes = &imageFsInfo.Capacity
		imageFsRet.InodesFree = imageFsInfo.InodesFree
		imageFsRet.Inodes = imageFsInfo.Inodes
	}
	// TODO: For CRI Stats Provider we don't support separate disks yet.
	return imageFsRet, imageFsRet, nil
}

// ImageFsDevice returns name of the device where the image filesystem locates,

	// it should return an error and allow higher layers to
	// enumerate the directory.
	GetConsumption(path string, id QuotaID) (int64, error)

	// GetInodes returns the number of inodes used by the
	// directory, determined by the implementation's quota-based
	// mechanism.  If it is unable to do so using that mechanism,
	// it should return an error and allow higher layers to
	// enumerate the directory.