b.Fatal(err)
					}
				}
			})
			b.Run("ToFileInfoNew", func(b *testing.B) {
				b.SetBytes(int64(size))
				b.ResetTimer()
				b.ReportAllocs()
				for b.Loop() {
					buf, _, _ := isIndexedMetaV2(enc)
					if buf == nil {
						b.Fatal("buf == nil")
					}
					_, err = buf.ToFileInfo("volume", "path", ids[rng.Intn(size)], true)
					if err != nil {
						b.Fatal(err)
					}
				}
			})

	if err != nil {
		return err
	}
	defer xioutil.SafeClose(out)
	var objsReturned int

	objReturned := func(metadata []byte) {
		if opts.Limit <= 0 {
			return
		}
		if m, _, _ := isIndexedMetaV2(metadata); m != nil && !m.AllHidden(true) {
			objsReturned++
		}
	}
	send := func(entry metaCacheEntry) error {
		objReturned(entry.metadata)
		select {
		case <-ctx.Done():
			return ctx.Err()

			if err == errDoneForNow {
				err = nil
			}
			return err
		}
	}
	return nil
}

// isIndexedMetaV2 returns non-nil result if metadata is indexed.
// Returns 3x nil if not XLV2 or not indexed.
// If indexed and unable to parse an error will be returned.
func isIndexedMetaV2(buf []byte) (meta xlMetaBuf, data xlMetaInlineData, err error) {
	buf, major, minor, err := checkXL2V1(buf)

	if err != nil {
		b.Fatal(err)
	}
	defer f.Close()

	data, err := io.ReadAll(f)
	if err != nil {
		b.Fatal(err)
	}

	buf, _, _ := isIndexedMetaV2(data)
	if buf == nil {
		b.Fatal("buf == nil")
	}

	b.Run("ToFileInfo", func(b *testing.B) {
		b.ResetTimer()
		b.ReportAllocs()

		for b.Loop() {