return directio.OpenFile(filePath, flag, perm)
}

// DisableDirectIO - disables directio mode.
func DisableDirectIO(f *os.File) error {
	fd := f.Fd()
	_, err := unix.FcntlInt(fd, unix.F_NOCACHE, 0)
	return err
}

// AlignedBlock - pass through to directio implementation.
func AlignedBlock(blockSize int) []byte {
	return directio.AlignedBlock(blockSize)

		if ok {
			tc.FuncName = "handler.MetricsLegacy"
			tc.ResponseRecorder.LogErrBody = true
		}

		mfs, err := gatherers.Gather()
		if err != nil {
			if len(mfs) == 0 {
				writeErrorResponseJSON(r.Context(), w, toAdminAPIErr(r.Context(), err), r.URL)
				return
			}
		}

		contentType := expfmt.Negotiate(r.Header)
		w.Header().Set("Content-Type", string(contentType))

	}

	if setCount == 0 {
		log.Fatalln("set count cannot be zero")
	}

	id := uuid.MustParse(deploymentID)

	if file != "" {
		distrib := make([][]string, setCount)
		b, err := os.ReadFile(file)
		if err != nil {
			log.Fatalln(err)
		}
		b = bytes.ReplaceAll(b, []byte("\r"), []byte{})
		sc := bufio.NewScanner(bytes.NewBuffer(b))
		for sc.Scan() {
			object = strings.TrimSpace(sc.Text())

	},
}

func TestSSECUnsealObjectKey(t *testing.T) {
	for i, test := range ssecUnsealObjectKeyTests {
		if _, err := SSEC.UnsealObjectKey(test.Headers, test.Metadata, test.Bucket, test.Object); err != test.ExpectedErr {
			t.Errorf("Test %d: got: %v - want: %v", i, err, test.ExpectedErr)
		}
	}
}

var sseCopyUnsealObjectKeyTests = []struct {
	Headers        http.Header
	Bucket, Object string

	StoppedAt time.Time             `json:"stoppedAt"`
}

func rebalanceStatus(ctx context.Context, z *erasureServerPools) (r rebalanceAdminStatus, err error) {
	// Load latest rebalance status
	meta := &rebalanceMeta{}
	err = meta.load(ctx, z.serverPools[0])
	if err != nil {
		return r, err
	}

	// Compute disk usage percentage
	si := z.StorageInfo(ctx, true)
	diskStats := make([]struct {
		AvailableSpace uint64

	if err := registry.Register(prometheus.NewProcessCollector(prometheus.ProcessCollectorOpts{
		Namespace:    minioNamespace,
		ReportErrors: true,
	})); err != nil {
		logger.CriticalIf(GlobalContext, err)
	}
	if err := registry.Register(prometheus.NewGoCollector()); err != nil {
		logger.CriticalIf(GlobalContext, err)
	}
	gatherers := prometheus.Gatherers{
		registry,
	}

		if auditEntry != nil {
			entry = *auditEntry
		}
	}

	// Send audit logs only to http targets.
	for _, t := range auditTgts {
		if err := t.Send(ctx, entry); err != nil {
			LogOnceIf(ctx, "logging", fmt.Errorf("Unable to send audit event(s) to the target `%v`: %v", t, err), "send-audit-event-failure")
		}
	}

func JoinLoaders(loaders ...MetricsLoaderFn) MetricsLoaderFn {
	return func(ctx context.Context, m MetricValues, c *metricsCache) error {
		for _, loader := range loaders {
			if err := loader(ctx, m, c); err != nil {
				return err
			}
		}
		return nil
	}
}

// BucketMetricsLoaderFn - represents a function to load metrics from the
// metricsCache and the system for a given list of buckets.
//

// errors returned by underlying layers.
func toAPIErrorCode(ctx context.Context, err error) (apiErr APIErrorCode) {
	if err == nil {
		return ErrNone
	}

	// Errors that are generated by net.Conn and any context errors must be handled here.
	if errors.Is(err, os.ErrDeadlineExceeded) || errors.Is(err, context.DeadlineExceeded) {
		return ErrRequestTimedout
	}

func (de *DelMarkerExpiration) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) error {
	type delMarkerExpiration DelMarkerExpiration
	var dexp delMarkerExpiration
	err := dec.DecodeElement(&dexp, &start)
	if err != nil {
		return err
	}

	if dexp.Days <= 0 {
		return errInvalidDaysDelMarkerExpiration
	}

	*de = DelMarkerExpiration(dexp)
	return nil
}