// than specified in request header.
	if n < data.Size() {
		return ObjectInfo{}, IncompleteBody{Bucket: bucket, Object: object}
	}

	var compIndex []byte
	if opts.IndexCB != nil {
		compIndex = opts.IndexCB()
	}

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

	kind, encrypted := crypto.IsEncrypted(userDefined)