}) {
				bucketsInfo[n] = bucketInfo
				n++
			}
		}
		bucketsInfo = bucketsInfo[:n]
		// No buckets can be filtered return access denied error.
		if len(bucketsInfo) == 0 {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
			return
		}
	}

	// Generate response.
	response := generateListBucketsResponse(bucketsInfo)
	encodedSuccessResponse := encodeResponse(response)

		s3Client.TraceOn(os.Stderr)
	}

	var buckets []string
	if bucket != "" {
		buckets = append(buckets, bucket)
	} else {
		bucketsInfo, err := s3Client.ListBuckets(context.Background())
		if err != nil {
			log.Fatalln(err)
		}
		for _, b := range bucketsInfo {
			buckets = append(buckets, b.Name)
		}
	}

	for _, bucket := range buckets {
		opts := minio.ListObjectsOptions{

	bucketDeleted := mss.Get(peerS3BucketDeleted) == "true"

	bucketInfo, err := getBucketInfoLocal(context.Background(), bucket, BucketOptions{
		Deleted: bucketDeleted,
	})
	if err != nil {
		return info, grid.NewRemoteErr(err)
	}

	return &VolInfo{
		Name:    bucketInfo.Name,
		Created: bucketInfo.Created,
		Deleted: bucketInfo.Deleted, // needed for site replication
	}, nil
}

// nsScanner will start scanning buckets and send updated totals as they are traversed.
// Updates are sent on a regular basis and the caller *must* consume them.
func (er erasureObjects) nsScanner(ctx context.Context, buckets []BucketInfo, wantCycle uint32, updates chan<- dataUsageCache, healScanMode madmin.HealScanMode) error {
	if len(buckets) == 0 {
		return nil
	}

	// Collect disks we can use.

	// Bucket operations.
	MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error
	GetBucketInfo(ctx context.Context, bucket string, opts BucketOptions) (bucketInfo BucketInfo, err error)
	ListBuckets(ctx context.Context, opts BucketOptions) (buckets []BucketInfo, err error)
	DeleteBucket(ctx context.Context, bucket string, opts DeleteBucketOptions) error

		for _, bucketInfo := range buckets {
			bucket := bucketInfo.Name
			bucketExists := bucketInfo.Deleted.IsZero() || (!bucketInfo.Created.IsZero() && bucketInfo.Created.After(bucketInfo.Deleted))
			bms := madmin.SRBucketInfo{
				Bucket:    bucket,
				CreatedAt: bucketInfo.Created.UTC(),
				DeletedAt: bucketInfo.Deleted.UTC(),
			}
			if !bucketExists {

	bucketInfo, err = z.s3Peer.GetBucketInfo(ctx, bucket, opts)
	if err != nil {
		return bucketInfo, toObjectErr(err, bucket)
	}

	meta, err := globalBucketMetadataSys.Get(bucket)
	if err == nil {
		bucketInfo.Created = meta.Created
		bucketInfo.Versioning = meta.Versioning()
		bucketInfo.ObjectLocking = meta.ObjectLocking()
	}

		}
	}
}

// dui converts the flattened version of the path to madmin.DataUsageInfo.
// As a side effect d will be flattened, use a clone if this is not ok.
func (d *dataUsageCache) dui(path string, buckets []BucketInfo) DataUsageInfo {
	e := d.find(path)
	if e == nil {
		// No entry found, return empty.
		return DataUsageInfo{}
	}
	flat := d.flatten(*e)
	dui := DataUsageInfo{

			u.Path = path.Join(SlashSeparator, object)
			break
		}
	}
	return u.String()
}

// generates ListBucketsResponse from array of BucketInfo which can be
// serialized to match XML and JSON API spec output.
func generateListBucketsResponse(buckets []BucketInfo) ListBucketsResponse {
	listbuckets := make([]Bucket, 0, len(buckets))
	data := ListBucketsResponse{}
	owner := Owner{

func (z BackendType) Msgsize() (s int) {
	s = msgp.IntSize
	return
}

// MarshalMsg implements msgp.Marshaler
func (z *BucketInfo) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 5
	// string "Name"
	o = append(o, 0x85, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	o = msgp.AppendString(o, z.Name)