mkdir(path, perm, callback) { callback(enosys()); },
			open(path, flags, mode, callback) { callback(enosys()); },
			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
			readdir(path, callback) { callback(enosys()); },
			readlink(path, callback) { callback(enosys()); },
			rename(from, to, callback) { callback(enosys()); },
			rmdir(path, callback) { callback(enosys()); },

		// to verify for legacy version.
		if formatLegacy {
			// We only need this code if we are moving
			// from `xl.json` to `xl.meta`, we can avoid
			// one extra readdir operation here for all
			// new deployments.
			entries, err := readDir(currentDataPath)
			if err != nil && err != errFileNotFound {
				return res, osErrToFileErr(err)
			}
			for _, entry := range entries {

	if err != nil {
		return err
	}
	if err := adb("push", platformToolDir, path.Join(deviceGoroot, relToolDir)); err != nil {
		return err
	}

	// Copy all other files from GOROOT.
	dirents, err := os.ReadDir(goroot)
	if err != nil {
		return err
	}
	for _, de := range dirents {
		switch de.Name() {
		case "bin", "pkg":
			// We already created GOROOT/bin and GOROOT/pkg above; skip those.
			continue
		}

pkg go/doc, func ToHTML //deprecated #51082
pkg go/doc, func ToText //deprecated #51082
pkg io/ioutil, func NopCloser //deprecated #42026
pkg io/ioutil, func ReadAll //deprecated #42026
pkg io/ioutil, func ReadDir //deprecated #42026
pkg io/ioutil, func ReadFile //deprecated #42026
pkg io/ioutil, func TempDir //deprecated #42026
pkg io/ioutil, func TempFile //deprecated #42026
pkg io/ioutil, func WriteFile //deprecated #42026

	// For FileSystem volumes, the topmost dirs are named after the ifaces, e.g., iface-default or iface-127.0.0.1:3260:pv0.
	// For Block volumes, the default topmost dir is volumeDevices.
	contents, err := ioutil.ReadDir(dir)
	if err != nil {
		if os.IsNotExist(err) {
			return 0, nil
		}
		return 0, err
	}

	// Inside each iface dir, we look for volume dirs prefixed by the given

func findImports(pkg string) ([]string, error) {
	vpkg := pkg
	if strings.HasPrefix(pkg, "golang.org") {
		vpkg = "vendor/" + pkg
	}
	dir := filepath.Join(Default.GOROOT, "src", vpkg)
	files, err := os.ReadDir(dir)
	if err != nil {
		return nil, err
	}
	var imports []string
	var haveImport = map[string]bool{}
	if pkg == "crypto/internal/boring" {

	}
	dirCh <- dir
	fi, err := os.Stat(dir)
	if err != nil {
		t.Fatal(err)
	}
	if !fi.IsDir() {
		t.Errorf("dir %q is not a dir", dir)
	}
	files, err := os.ReadDir(dir)
	if err != nil {
		t.Fatal(err)
	}
	if len(files) > 0 {
		t.Errorf("unexpected %d files in TempDir: %v", len(files), files)
	}

	glob := filepath.Join(dir, "*.txt")

	list, _ := os.ReadDir(dir)
	for _, info := range list {
		if info.Type().IsRegular() && strings.HasSuffix(info.Name(), ".go") {
			if com := findImportComment(filepath.Join(dir, info.Name())); com != "" {
				return com, nil
			}
		}
	}
	for _, info1 := range list {
		if info1.IsDir() {
			files, _ := os.ReadDir(filepath.Join(dir, info1.Name()))

			return fmt.Errorf("failed customizing cluster.env: %v", err)
		}

		// push bootstrap config as a ConfigMap so we can mount it on our "vm" pods
		cmData := map[string][]byte{}
		generatedFiles, err := os.ReadDir(subsetDir)
		if err != nil {
			return err
		}
		for _, file := range generatedFiles {
			if file.IsDir() {
				continue
			}
			cmData[file.Name()], err = os.ReadFile(path.Join(subsetDir, file.Name()))

// specific status files match expectations.
func compareStatus(filter, expect string) error {
	expected := filter + expect
	pid := syscall.Getpid()
	fs, err := os.ReadDir(fmt.Sprintf("/proc/%d/task", pid))
	if err != nil {
		return fmt.Errorf("unable to find %d tasks: %v", pid, err)
	}
	expectedProc := fmt.Sprintf("Pid:\t%d", pid)
	foundAThread := false
	for _, f := range fs {