switch size := data.Size(); {
	case size == 0:
		buffer = make([]byte, 1) // Allocate at least a byte to reach EOF
	case size == -1:
		if size := data.ActualSize(); size > 0 && size < fi.Erasure.BlockSize {
			// Account for padding and forced compression overhead and encryption.
			buffer = make([]byte, data.ActualSize()+256+32+32, data.ActualSize()*2+512)
		} else {
			buffer = globalBytePoolCap.Load().Get()

func (sys *BucketMetadataSys) init(ctx context.Context, buckets []BucketInfo) {
	count := 100 // load 100 bucket metadata at a time.
	failedBuckets := make(map[string]struct{})
	for {
		if len(buckets) < count {
			sys.concurrentLoad(ctx, buckets, failedBuckets)
			break
		}
		sys.concurrentLoad(ctx, buckets[:count], failedBuckets)
		buckets = buckets[count:]
	}

	sys.Lock()
	sys.initialized = true
	sys.Unlock()

	}

	user, _, s3Err := getReqAccessKeyV4(r, globalSite.Region, serviceSTS)
	if s3Err != ErrNone {
		return auth.Credentials{}, s3Err
	}

	// Temporary credentials or Service accounts cannot generate further temporary credentials.
	if user.IsTemp() || user.IsServiceAccount() {
		return auth.Credentials{}, ErrAccessDenied
	}

	// Session tokens are not allowed in STS AssumeRole requests.

						listObjectsInfo.Prefixes = append(listObjectsInfo.Prefixes, commonPrefix)
						count++
					}
					goto next
				}
			}
			listObjectsInfo.Objects = append(listObjectsInfo.Objects, ObjectInfo{
				Bucket:  bucket,
				Name:    objName,
				Size:    int64(file.UncompressedSize64),
				ModTime: zipObjInfo.ModTime,
			})
			count++
		}
	next:
		nextToken = objName
	}

	if isTruncated {

	filter := func(list []uint64) (commonCount uint64) {
		max := 0
		signatureMap := map[uint64]int{}
		for _, v := range list {
			signatureMap[v]++
		}
		for ops, count := range signatureMap {
			if max < count && commonCount < ops {
				max = count
				commonCount = ops
			}
		}
		if max < readQuorum {
			return 0
		}
		return commonCount
	}

	commonWrite = filter(writes)

	count := len(testCases)
	for i := 4; i < len(testCases); i++ {
		tc := testCases[i]
		dataDir, err := xl.DeleteVersion(fileInfos[i])
		failOnErr(count+1, err)
		if dataDir != tc.expectedDataDir {
			t.Fatalf("Expected %s but got %s", tc.expectedDataDir, dataDir)
		}
		count++
	}
}

func Benchmark_mergeXLV2Versions(b *testing.B) {

			// appear earlier in this array of intervals, see
			// ObjectsHistogramIntervals
			splCount += count
			fallthrough
		default:
			res[szInt.name] = count
		}
	}
	return res
}

// add a version count to the histogram.
func (h *versionsHistogram) add(versions uint64) {
	// Fetch the histogram interval corresponding
	// to the passed object size.

			if err != nil {
				return nil, err
			}

			// Set the parent of the temporary access key, this is useful
			// in obtaining service accounts by this cred.
			cred.ParentUser = targetUser

			// Set this value to LDAP groups, LDAP user can be part
			// of large number of groups
			cred.Groups = targetGroups

func (l EndpointServerPools) HTTPS() bool {
	return l[0].Endpoints.HTTPS()
}

// NEndpoints - returns number of endpoints
func (l EndpointServerPools) NEndpoints() (count int) {
	for _, ep := range l {
		count += len(ep.Endpoints)
	}
	return count
}

// GridHosts will return all peers, including local.
// in websocket grid compatible format, The local peer
// is returned as a separate string.

			offlineDisks[ep]++
			continue
		}
		onlineDisks[ep]++
	}

	rootDiskCount := 0
	for _, di := range disksInfo {
		if di.RootDisk {
			rootDiskCount++
		}
	}

	// Count offline disks as well to ensure consistent
	// reportability of offline drives on local setups.
	if len(disksInfo) == (rootDiskCount + offlineDisks.Sum()) {
		// Success.
		return onlineDisks, offlineDisks
	}