auto output_type = mlir::cast<ShapedType>(op.getOutput().getType());

    SmallVector<int32_t, 4> perm;
    SmallVector<int64_t, 4> output_shape;
    for (int i = 0; i < num_dimensions; ++i) {
      perm.push_back(perm_tensor.getValues<IntegerAttr>()[i].getInt());
      output_shape.push_back(input_shape[perm[i]]);

      // Check that the derived output shape matches the static shape.

		// Everything was created. mkdirat(..., perm) above was affected by current
		// umask and we must apply the right permissions to the all created directory.
		// (that's the one that will be available to the container as subpath)
		// so user can read/write it.
		// parentFD is the last created directory.

		// Translate perm (os.FileMode) to uint32 that fchmod() expects
		kernelPerm := uint32(perm & os.ModePerm)
		if perm&os.ModeSetgid > 0 {

			return sh.CopyFile(dst, src, perm, force)
		}
	}

	// The perm argument is meant to be adjusted according to umask,
	// but we don't know what the umask is.
	// Create a dummy file to find out.
	// This avoids build tags and works even on systems like Plan 9
	// where the file mask computation incorporates other information.
	mode := perm

// ODirectPlatform indicates if the platform supports O_DIRECT
const ODirectPlatform = true

// OpenFileDirectIO - bypass kernel cache.
func OpenFileDirectIO(filePath string, flag int, perm os.FileMode) (*os.File, error) {
	return directio.OpenFile(filePath, flag, perm)
}

// DisableDirectIO - disables directio mode.
func DisableDirectIO(f *os.File) error {
	fd := f.Fd()
	flag, err := unix.FcntlInt(fd, unix.F_GETFL, 0)
	if err != nil {

// If the file does not exist, WriteFile creates it with permissions perm
// (before umask); otherwise WriteFile truncates it before writing, without changing permissions.
//
// Deprecated: As of Go 1.16, this function simply calls [os.WriteFile].
func WriteFile(filename string, data []byte, perm fs.FileMode) error {
	return os.WriteFile(filename, data, perm)
}

// ReadDir reads the directory named by dirname and returns

func SetDefaults_SecretVolumeSource(obj *v1.SecretVolumeSource) {
	if obj.DefaultMode == nil {
		perm := int32(v1.SecretVolumeSourceDefaultMode)
		obj.DefaultMode = &perm
	}
}
func SetDefaults_ConfigMapVolumeSource(obj *v1.ConfigMapVolumeSource) {
	if obj.DefaultMode == nil {
		perm := int32(v1.ConfigMapVolumeSourceDefaultMode)
		obj.DefaultMode = &perm
	}
}
func SetDefaults_DownwardAPIVolumeSource(obj *v1.DownwardAPIVolumeSource) {

func openFileWithFD(name string, flag int, perm os.FileMode) (fd int, err error) {
	switch flag & writeMode {
	case writeMode:
		defer updateOSMetrics(osMetricOpenFileWFd, name)(err)
	default:
		defer updateOSMetrics(osMetricOpenFileRFd, name)(err)
	}
	var e error
	fd, e = syscall.Open(name, flag|syscall.O_CLOEXEC, uint32(perm))
	if e != nil {
		return -1, &os.PathError{Op: "open", Path: name, Err: e}
	}

	XXLOR	VS31, VS31, V17
	VADDUWM	V16, V6, V6
	VADDUWM	V17, V7, V7

	CMPU	INP, END
	BLT	loop

	LVX	(TBL)(R_x000), V8
	VPERM	V0, V1, KI, V0
	LVX	(TBL)(R_x010), V9
	VPERM	V4, V5, KI, V4
	VPERM	V0, V2, V8, V0
	VPERM	V4, V6, V8, V4
	VPERM	V0, V3, V9, V0
	VPERM	V4, V7, V9, V4
	STXVD2X	V0, (CTX+R_x000)
	STXVD2X	V4, (CTX+R_x010)

end:

// attributes besides `data_format` string.
template <typename Op>
LogicalResult UpdateDataFormat(StringRef data_format, Op *op) {
  auto perm = GetDataFormatPermutation(op->getDataFormat(), data_format);
  if (perm.empty()) return failure();

  // Update data format attribute.
  (*op)->setAttr("data_format", StringAttr::get(op->getContext(), data_format));

)

func openFile(name string, flag int, perm fs.FileMode) (*os.File, error) {
	// On BSD systems, we could add the O_SHLOCK or O_EXLOCK flag to the OpenFile
	// call instead of locking separately, but we have to support separate locking
	// calls for Linux and Windows anyway, so it's simpler to use that approach
	// consistently.

	f, err := os.OpenFile(name, flag&^os.O_TRUNC, perm)
	if err != nil {
		return nil, err
	}