On Jun 17, 12:01am, Thor Lancelot Simon wrote:
} Subject: Re: SOFTDEPS safe for qmail?

} It's also quite different from what I think of when you say "sync
} filesystem", where no asynchronous writes are ever done.  FFS
} mounted -o sync should be such a filesystem, though currently
} some async writes seem to slip through.

These are probably atime updates or something else non-critical.
You might try mounting noatime to see if they all go away.