_InternalIO
error = _InternalIO(node, cookie, path, requestInfo.offset,
error = _InternalIO(node, cookie, NULL, pos, (char *)buffer, *_bytesRead, false);
error = _InternalIO(node, cookie, NULL, pos, (char *)buffer, *_bytesWritten, true);
status_t _InternalIO(FUSENode* node, FileCookie* cookie, const char* path,