typ1, ok1 := crypto.IsEncrypted(fi.Metadata)
	typ2, ok2 := crypto.IsEncrypted(ofi.Metadata)
	if ok1 != ok2 {
		return false
	}
	if typ1 != typ2 {
		return false
	}
	if fi.IsCompressed() != ofi.IsCompressed() {
		return false
	}
	if !fi.TransitionInfoEquals(ofi) {
		return false
	}
	if !fi.ModTime.Equal(ofi.ModTime) {
		return false
	}
	return fi.Erasure.Equal(ofi.Erasure)
}

			// If metadata says encrypted, ask for it in quorum.
			if etyp, ok := crypto.IsEncrypted(meta.Metadata); ok {
				fmt.Fprint(h, etyp)
			}

			// If compressed, look for compressed FileInfo only
			if meta.IsCompressed() {
				fmt.Fprint(h, meta.Metadata[ReservedMetadataPrefix+"compression"])
			}

			metaHashes[i] = hex.EncodeToString(h.Sum(nil))
			h.Reset()
		}
	}

	metaHashCountMap := make(map[string]int)

	if opts.MTime.IsZero() {
		modTime = UTCNow()
	}

	kind, encrypted := crypto.IsEncrypted(userDefined)
	actualSize := data.ActualSize()
	if actualSize < 0 {
		compressed := fi.IsCompressed()
		switch {
		case compressed:
			// ... nothing changes for compressed stream.
			// if actualSize is -1 we have no known way to
			// determine what is the actualSize.
		case encrypted: