Need to force sync(2) before umounting UFS1 filesystems?

[Kirk McKusick]

> Date: Sat, 1 Oct 2011 14:54:04 -0700 (PDT)
> From: Garrett Cooper <yanegomi at gmail.com>
> To: Kirk McKusick <mckusick at mckusick.com>
> cc: Garrett Cooper <yanegomi at gmail.com>, Attilio Rao <attilio at freebsd.org>,
>         Kostik Belousov <kostikbel at gmail.com>, freebsd-fs at freebsd.org,
>         Xin LI <delphij at freebsd.org>
> Subject: Re: Need to force sync(2) before umounting UFS1 filesystems?
> 
> On Sat, 1 Oct 2011, Kirk McKusick wrote:
> 
> > Thanks for throwing some testing at this. Please test my latest
> > proposed change (included below so you do not have to dig through
> > earlier email) as I believe that it has the least likelyhood of
> > problems and is what I am currently proposing to put in.
> >
> > 	Kirk McKusick
> 
> I'll run it through a few other filesystems (ntfs, smbfs, etc) just in 
> case. I should have results by either Monday or Tuesday.
> Thanks,
> -Garrett

The more filesystems you can throw at it the better. Most critical
are ZFS, UFS, and NFS.

	Kirk McKusick