if err != nil {
							err = msgp.WrapError(err, "Tiers", za0001, "NumObjects")
							return
						}
					default:
						err = dc.Skip()
						if err != nil {
							err = msgp.WrapError(err, "Tiers", za0001)
							return
						}
					}
				}
				z.Tiers[za0001] = za0002
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	return

	if sc != "" {
		defaultMeta[xhttp.AmzStorageClass] = sc
	}

	// if x-amz-metadata-directive says COPY then we
	// return the default metadata.
	if isDirectiveCopy(r.Header.Get(xhttp.AmzMetadataDirective)) {
		return defaultMeta, nil
	}

	// Copy is default behavior if not x-amz-metadata-directive is set.
	return defaultMeta, nil
}

						switch msgp.UnsafeString(field) {
						default:
							err = dc.Skip()
							if err != nil {
								err = msgp.WrapError(err, "Opts", "BaseOptions")
								return
							}
						}
					}
				default:
					err = dc.Skip()
					if err != nil {
						err = msgp.WrapError(err, "Opts")
						return
					}
				}
			}
		default:
			err = dc.Skip()
			if err != nil {

	WorkerMinLimit = 50

	// WorkerAutoDefault is default number of workers for "auto" mode
	WorkerAutoDefault = 100

	// MRFWorkerMaxLimit max number of mrf workers per node for "fast" mode
	MRFWorkerMaxLimit = 8

	// MRFWorkerMinLimit min number of mrf workers per node for "slow" mode
	MRFWorkerMinLimit = 2

	// MRFWorkerAutoDefault is default number of mrf workers for "auto" mode
	MRFWorkerAutoDefault = 4

	}
	// Read resync meta header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case siteResyncMetaFormat:
	default:
		return rs, fmt.Errorf("resyncMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case siteResyncMetaVersion:
	default:
		return rs, fmt.Errorf("resyncMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	blockSize, err := strconv.ParseUint(blockSizeStr, 10, 64)
	if err != nil {
		blockSize = 4 * humanize.MiByte // default value
	}

	fileSize, err := strconv.ParseUint(fileSizeStr, 10, 64)
	if err != nil {
		fileSize = 1 * humanize.GiByte // default value
	}

	opts := madmin.DriveSpeedTestOpts{
		Serial:    serial,
		BlockSize: blockSize,
		FileSize:  fileSize,
	}