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Date: Tue, 6 Mar 2012 16:02:46 -0500
From: Gary Palmer <gpalmer@freebsd.org>
To: Attilio Rao <attilio@freebsd.org>
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Cc: FreeBSD FS <freebsd-fs@freebsd.org>, FreeBSD Arch <arch@freebsd.org>,
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Subject: Re: svn commit: r232619 - in head: . sys/amd64/conf sys/arm/conf
	sys/i386/conf sys/ia64/conf sys/mips/conf sys/pc98/conf
	sys/powerpc/conf sys/sparc64/conf
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On Tue, Mar 06, 2012 at 08:07:39PM +0000, Attilio Rao wrote:
> 2012/3/6, Attilio Rao <attilio@freebsd.org>:
> > Author: attilio
> > Date: Tue Mar  6 20:01:25 2012
> > New Revision: 232619
> > URL: http://svn.freebsd.org/changeset/base/232619
> >
> > Log:
> >   Disable the option VFS_ALLOW_NONMPSAFE by default on all the supported
> >   platforms.
> >   This will make every attempt to mount a non-mpsafe filesystem to the
> >   kernel forbidden, unless it is expressely compiled with
> >   VFS_ALLOW_NONMPSAFE option.
> 
> This is just a gentle reminder in order to point you further to the
> "official" page:
> http://wiki.freebsd.org/NONMPSAFE_DEORBIT_VFS
> 
> and to mention that the time for removing non-mpsafe filesystem is approaching.
> In 6 months we will disconnect from the tree the non-mpsafe
> filesystems and will remove the whole non-mpsafe handling
> infrastructure in the VFS and the buffer cache, thus please think
> about stepping up and convert your favourite filesystem.

Given that the wiki page still has:

> Technical notes on locking Filesystems
> 
> TBD

it would be useful to people who aren't filesystem locking experts to have
a little more information on the wiki

Thanks,

Gary