v := BaseOptions{}
	bts := make([]byte, 0, v.Msgsize())
	bts, _ = v.MarshalMsg(bts[0:0])
	b.SetBytes(int64(len(bts)))
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		bts, _ = v.MarshalMsg(bts[0:0])
	}
}

func BenchmarkUnmarshalBaseOptions(b *testing.B) {
	v := BaseOptions{}
	bts, _ := v.MarshalMsg(nil)
	b.ReportAllocs()
	b.SetBytes(int64(len(bts)))
	b.ResetTimer()

				zb0002--
				za0001, bts, err = msgp.ReadStringBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "Tiers")
					return
				}
				var zb0003 uint32
				zb0003, bts, err = msgp.ReadMapHeaderBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "Tiers", za0001)
					return
				}
				for zb0003 > 0 {
					zb0003--
					field, bts, err = msgp.ReadMapKeyZC(bts)
					if err != nil {

		case "ReplicatedSize":
			z.ReplicatedSize, bts, err = msgp.ReadInt64Bytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ReplicatedSize")
				return
			}
		case "ReplicaSize":
			z.ReplicaSize, bts, err = msgp.ReadInt64Bytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ReplicaSize")
				return
			}
		case "FailStats":
			bts, err = z.FailStats.UnmarshalMsg(bts)
			if err != nil {

		case "Name":
			z.Name, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Name")
				return
			}
		case "Created":
			z.Created, bts, err = msgp.ReadTimeBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Created")
				return
			}
		case "Deleted":
			z.Deleted, bts, err = msgp.ReadTimeBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "Deleted")

				z.PartNumbers[za0004], bts, err = msgp.ReadIntBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "PartNumbers", za0004)
					return
				}
			}
		case "PartETags":
			if msgp.IsNil(bts) {
				bts = bts[1:]
				z.PartETags = nil
			} else {
				var zb0006 uint32
				zb0006, bts, err = msgp.ReadArrayHeaderBytes(bts)
				if err != nil {

				zb0002--
				za0001, bts, err = msgp.ReadStringBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "Entries")
					return
				}
				var zb0003 uint32
				zb0003, bts, err = msgp.ReadMapHeaderBytes(bts)
				if err != nil {
					err = msgp.WrapError(err, "Entries", za0001)
					return
				}
				for zb0003 > 0 {
					zb0003--
					field, bts, err = msgp.ReadMapKeyZC(bts)
					if err != nil {

		return errFileCorrupt
	}
	// bts will shrink as we decode.
	bts := allMeta
	var field []byte
	var zb0001 uint32
	zb0001, bts, err = msgp.ReadMapHeaderBytes(bts)
	if err != nil {
		return msgp.WrapError(err, "loadLegacy.ReadMapHeader")
	}

	var tmp xlMetaV2Version
	for zb0001 > 0 {
		zb0001--
		field, bts, err = msgp.ReadMapKeyZC(bts)
		if err != nil {