// fsync: "Calling fsync() does not necessarily ensure that the entry in the
// directory containing the file has also reached disk. For that an explicit
// fsync() on a file descriptor for the directory is also needed."
// fsync: "Calling fsync() does not necessarily ensure that the entry in the
// directory containing the file has also reached disk. For that an explicit
// fsync() on a file descriptor for the directory is also needed."