if e != nil {
		return "", e
	}
	r.Header.Add("Content-Type", writer.FormDataContentType())

	return c.submitPost(r)
}

func (c Config) submitPost(r *http.Request) (string, error) {
	configLock.RLock()
	r.Header.Set(xhttp.SubnetAPIKey, c.APIKey)
	configLock.RUnlock()
	r.Header.Set(xhttp.MinioDeploymentID, xhttp.GlobalDeploymentID)

	client := &http.Client{
		Timeout:   10 * time.Second,
		Transport: c.transport,

func (m *rateMeasurement) updateExponentialMovingAverage(endTime time.Time) {
	// Calculate aggregate avg bandwidth and exp window avg
	m.lock.Lock()
	defer func() {
		m.startTime = endTime
		m.lock.Unlock()
	}()

	if m.startTime.IsZero() {
		return
	}

	if endTime.Before(m.startTime) {
		return
	}

	duration := endTime.Sub(m.startTime)

}

// Update - updates the config with latest values
func (c *Config) Update(new Config) error {
	configLk.Lock()
	defer configLk.Unlock()
	c.MaxTimeout = getMaxTimeout(new.MaxTimeout)
	return nil
}

// GetMaxTimeout - returns the max timeout value.
func (c *Config) GetMaxTimeout() time.Duration {
	configLk.RLock()
	defer configLk.RUnlock()

	return getMaxTimeout(c.MaxTimeout)
}

		latestDriveStats[d] = dm.IOStats
	}
	lastDriveStatsRefresh = time.Now().UTC()
	latestDriveStatsMu.Unlock()

	globalLocalDrivesMu.RLock()
	localDrives := cloneDrives(globalLocalDrives)
	globalLocalDrivesMu.RUnlock()

	for _, d := range localDrives {
		di, err := d.DiskInfo(GlobalContext, DiskInfoOptions{})
		labels := map[string]string{"drive": di.Endpoint}
		if err == nil {

			return err
		}
		pk.add(key.Kid, pkey)
	}

	return nil
}

func (pk *publicKeys) add(keyID string, key interface{}) {
	pk.Lock()
	defer pk.Unlock()

	pk.pkMap[keyID] = key
}

func (pk *publicKeys) get(kid string) interface{} {
	pk.RLock()
	defer pk.RUnlock()
	return pk.pkMap[kid]
}

// PopulatePublicKey - populates a new publickey from the JWKS URL.

	TimeLastRefresh time.Time // Timestamp for last lock refresh.
	Source          string    // Contains line, function and filename requesting the lock.
	Group           bool      // indicates if it was a group lock.
	Owner           string    // Owner represents the UUID of the owner who originally requested the lock.
	Quorum          int       // Quorum represents the quorum required for this lock to be active.

<p class="rule">
For any call to <code>l.RLock</code> on a <code>sync.RWMutex</code> variable <code>l</code>,
there is an <i>n</i> such that the <i>n</i>th call to <code>l.Unlock</code>
is synchronized before the return from <code>l.RLock</code>,
and the matching call to <code>l.RUnlock</code> is synchronized before the return from call <i>n</i>+1 to <code>l.Lock</code>.
</p>

<p class="rule">

	qs.ActiveWorkers = globalReplicationStats.ActiveWorkers()
	qs.XferStats = make(map[RMetricName]XferStats)
	qs.QStats = r.qCache.getBucketStats(bucket)
	qs.TgtXferStats = make(map[string]map[RMetricName]XferStats)

	r.RLock()
	defer r.RUnlock()

	brs, ok := r.Cache[bucket]
	if !ok {
		return qs
	}
	for arn := range brs.Stats {
		qs.TgtXferStats[arn] = make(map[RMetricName]XferStats)
	}
	count := 0

	}
}

func (n *netPerfRX) ActiveConnections() uint64 {
	n.RLock()
	defer n.RUnlock()
	return n.activeConnections
}

func (n *netPerfRX) Reset() {
	n.Lock()
	defer n.Unlock()
	n.RX = 0
	n.RXSample = 0
	n.lastToConnect = time.Time{}
	n.firstToDisconnect = time.Time{}
}

// Reader to read random data.
type netperfReader struct {
	n   uint64
	eof chan struct{}

// Metadata has data stripped, if any.
func (s *xlStorage) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) (err error) {
	legacyFS := !(s.fsType == xfs || s.fsType == ext4)

	s.RLock()
	legacy := s.formatLegacy
	s.RUnlock()

	// Verify if volume is valid and it exists.
	volumeDir, err := s.getVolDir(opts.Bucket)
	if err != nil {
		return err
	}

	if !skipAccessChecks(opts.Bucket) {