prevResult = result
			w.(http.Flusher).Flush()
		}
	}
}

func makeObjectPerfBucket(ctx context.Context, objectAPI ObjectLayer, bucketName string) (bucketExists bool, err error) {
	if err = objectAPI.MakeBucket(ctx, bucketName, MakeBucketOptions{VersioningEnabled: globalSiteReplicationSys.isEnabled()}); err != nil {
		if _, ok := err.(BucketExists); !ok {
			// Only BucketExists error can be ignored.
			return false, err
		}

	objAPI := newObjectLayerFn()
	if objAPI == nil {
		return errServerNotInitialized
	}

	err := objAPI.MakeBucket(ctx, bucket, opts)
	if err != nil {
		// Check if this is a bucket exists error.
		_, ok1 := err.(BucketExists)
		_, ok2 := err.(BucketAlreadyExists)
		if !ok1 && !ok2 {