// Make subtype to avoid recursive UnmarshalXML().
	type filterRuleList FilterRuleList
	rules := filterRuleList{}
	if err := d.DecodeElement(&rules, &start); err != nil {
		return err
	}

	// FilterRuleList must have only one prefix and/or suffix.
	nameSet := set.NewStringSet()
	for _, rule := range rules.Rules {
		if nameSet.Contains(rule.Name) {
			if rule.Name == "prefix" {
				return &ErrFilterNamePrefix{}
			}

	}

	// Parent now exists; invoke Mkdir and use its result.
	if err := Mkdir(dirPath, perm); err != nil {
		if osIsExist(err) {
			return nil
		}
		return err
	}

	return nil
}

// The buffer must be at least a block long.
// refer https://github.com/golang/go/issues/24015
const blockSize = 8 << 10 // 8192

// By default at least 128 entries in single getdents call (1MiB buffer)
var (
	direntPool = sync.Pool{

}

// NewManager creates a new grid manager
func NewManager(ctx context.Context, o ManagerOptions) (*Manager, error) {
	found := false
	if o.AuthRequest == nil {
		return nil, fmt.Errorf("grid: AuthRequest must be set")
	}
	m := &Manager{
		ID:          uuid.New(),
		targets:     make(map[string]*Connection, len(o.Hosts)),
		local:       o.Local,
		authRequest: o.AuthRequest,
	}
	m.handlers.init()
	if ctx == nil {

	// minus 12)." Since MAX_PATH is 260, 260 - 12 = 248.
	//
	// The MSDN docs appear to say that a normal path that is 248 bytes long
	// will work; empirically the path must be less then 248 bytes long.
	if len(path) < 248 {
		// Don't fix. (This is how Go 1.7 and earlier worked,
		// not automatically generating the \\?\ form)
		return path
	}

		writeErrorResponse(ctx, w, APIError{
			Code:           "MalformedPolicy",
			HTTPStatusCode: http.StatusBadRequest,
			Description:    err.Error(),
		}, r.URL)
		return
	}

	// Version in policy must not be empty
	if bucketPolicy.Version == "" {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPolicyInvalidVersion), r.URL)
		return
	}

	configData, err := json.Marshal(bucketPolicy)
	if err != nil {

var globalOSMetrics osMetrics

func init() {
	// Inject metrics.
	ioutilx.OsOpenFile = OpenFile
	ioutilx.OpenFileDirectIO = OpenFileDirectIO
	ioutilx.OsOpen = Open
}

type osMetrics struct {
	// All fields must be accessed atomically and aligned.
	operations [osMetricLast]uint64
	latency    [osMetricLast]lockedLastMinuteLatency
}

// time an os action.
func (o *osMetrics) time(s osMetric) func() {
	startTime := time.Now()

		StatusCode: http.StatusNotFound,
	}
	// error returned when remote tier name is not in uppercase
	errTierNameNotUppercase = AdminError{
		Code:       "XMinioAdminTierNameNotUpperCase",
		Message:    "Tier name must be in uppercase",
		StatusCode: http.StatusBadRequest,
	}
	// error returned when remote tier bucket is not found
	errTierBucketNotFound = AdminError{
		Code:       "XMinioAdminTierBucketNotFound",

  istioctl x version

  # Retrieve version information directly from the control plane, using RSA certificate security
  # (Certificates must be obtained before this step.  The --cert-dir flag lets istioctl bypass the Kubernetes API server.)
  istioctl x version --xds-address istio.example.com:15012 --cert-dir ~/.istio-certs

		if !filepath.IsAbs(w.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
	}
	if w.ClientCert != "" && w.ClientKey == "" || w.ClientCert == "" && w.ClientKey != "" {
		return errors.New("cert and key must be specified as a pair")
	}
	return nil
}

// WebhookTarget - Webhook target.
type WebhookTarget struct {
	initOnce once.Init

	id         event.TargetID
	args       WebhookArgs

		},
		{
			name: "invalid ARN length must fail",
			args: args{
				arnStr: "arn:minio:",
			},
			wantArn: ARN{},
			wantErr: true,
		},
		{
			name: "invalid ARN partition must fail",
			args: args{
				arnStr: "arn:invalid:iam:us-east-1::role/my-role",
			},
			wantArn: ARN{},
			wantErr: true,
		},
		{
			name: "invalid ARN service must fail",
			args: args{