globalObjLayerMutex.Lock()
	globalObjectAPI = objLayer
	globalObjLayerMutex.Unlock()

	// When cache is enabled, Put and Get operations are passed
	// to underlying cache layer to manage object layer operation and disk caching
	// operation
	api := objectAPIHandlers{
		ObjectAPI: func() ObjectLayer {
			return globalObjectAPI
		},
	}

	// Register ListBuckets	handler.