func (w *Writer) Write(p []byte) (n int, err error) {
	return w.pw.Write(p)
}

// Close closes the writer.
// Any accepted writes will be flushed. Any new writes will be rejected.
// Once Close() exits, files are synchronized to disk.
func (w *Writer) Close() error {
	w.pw.CloseWithError(nil)

	if w.f != nil {
		if err := w.closeCurrentFile(); err != nil {
			return err
		}
	}

	return nil
}

	}
	go func() {
		err := s.cniListenServer.Serve(unixListener)

		select {
		case <-s.ctx.Done():
			// ctx done, we should silently go away
			return
		default:
			// If the cniListener exits, at least we should record an error log
			log.Errorf("CNI listener server exiting unexpectedly: %v", err)
		}
	}()

	context.AfterFunc(s.ctx, func() {
		if err := s.cniListenServer.Close(); err != nil {

// argument returns if a heal sequence actually exists.
func (ahs *allHealState) getHealSequence(path string) (h *healSequence, exists bool) {
	ahs.RLock()
	defer ahs.RUnlock()
	h, exists = ahs.healSeqMap[path]
	return h, exists
}

func (ahs *allHealState) stopHealSequence(path string) ([]byte, APIError) {
	var hsp madmin.HealStopSuccess
	he, exists := ahs.getHealSequence(path)
	if !exists {
		hsp = madmin.HealStopSuccess{

	res, err := c.Exists(
		index,
		key,
		c.Exists.WithContext(ctx),
	)
	if err != nil {
		return false, err
	}
	xhttp.DrainBody(res.Body)
	return !res.IsError(), nil
}

func (c *esClientV7) removeEntry(ctx context.Context, index string, key string) error {
	exists, err := c.entryExists(ctx, index, key)
	if err == nil && exists {
		res, err := c.Delete(
			index,

// error returned when temporary account is not found
var errNoSuchTempAccount = errors.New("Specified temporary account does not exist")

// error returned in IAM subsystem when an account doesn't exist.
var errNoSuchAccount = errors.New("Specified account does not exist")

// error returned in IAM subsystem when groups doesn't exist.

	dst := make(metaCacheEntries, len(m))
	copy(dst, m)
	return dst
}

type metadataResolutionParams struct {
	dirQuorum int // Number if disks needed for a directory to 'exist'.
	objQuorum int // Number of disks needed for an object to 'exist'.

	// An optimization request only an 'n' amount of versions from xl.meta
	// to avoid resolving all versions to figure out the latest 'version'
	// for ListObjects, ListObjectsV2

		t.Fatalf("Unexpected failure with %v", errorCodes.ToAPIErr(s3Err))
	}

	if !owner {
		t.Fatalf("Expected owner to be 'true', found %t", owner)
	}

	_, _, s3Err = checkKeyValid(req, "does-not-exist")
	if s3Err != ErrInvalidAccessKeyID {
		t.Fatalf("Expected error 'ErrInvalidAccessKeyID', found %v", s3Err)
	}

	ucreds, err := auth.CreateCredentials("myuser1", "mypassword1")
	if err != nil {

			return errFileAccessDenied
		}
		return osErrToFileErr(err)
	}

	return nil
}

// Reliably retries os.MkdirAll if for some reason os.MkdirAll returns
// syscall.ENOENT (parent does not exist).
func reliableMkdirAll(dirPath string, mode os.FileMode, baseDir string) (err error) {
	i := 0
	for {
		// Creates all the parent directories, with mode 0777 mkdir honors system umask.

// GO_ADDR2LINETEST_IS_ADDR2LINE is set, and runs the tests otherwise.
func TestMain(m *testing.M) {
	if os.Getenv("GO_ADDR2LINETEST_IS_ADDR2LINE") != "" {
		main()
		os.Exit(0)
	}

	os.Setenv("GO_ADDR2LINETEST_IS_ADDR2LINE", "1") // Set for subprocesses to inherit.
	os.Exit(m.Run())
}

// addr2linePath returns the path to the "addr2line" binary to run.
func addr2linePath(t testing.TB) string {
	t.Helper()
	testenv.MustHaveExec(t)

		if isErrBucketNotFound(err) {
			return batchExpireJobError{
				Code:           "NoSuchSourceBucket",
				Description:    "The specified source bucket does not exist",
				HTTPStatusCode: http.StatusNotFound,
			}
		}
		return err
	}

	if len(r.Rules) > maxBatchRules {
		return batchExpireJobError{
			Code:           "InvalidArgument",