}

	return t.requestsPool
}

// maxClients throttles the S3 API calls
func maxClients(f http.HandlerFunc) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		globalHTTPStats.incS3RequestsIncoming()

		if r.Header.Get(globalObjectPerfUserMetadata) == "" {
			if val := globalServiceFreeze.Load(); val != nil {
				if unlock, ok := val.(chan struct{}); ok && unlock != nil {
					// Wait until unfrozen.

	return atomic.LoadInt32(&st.s3RequestsInQueue)
}

func (st *HTTPStats) addRequestsInQueue(i int32) {
	atomic.AddInt32(&st.s3RequestsInQueue, i)
}

func (st *HTTPStats) incS3RequestsIncoming() {
	// Golang automatically resets to zero if this overflows
	atomic.AddUint64(&st.s3RequestsIncoming, 1)
}

// Converts http stats into struct to be sent back to the client.