Subject: Re: ufs/ffs logging [Was: Re: Google Summer of Code project ideas]
To: Volker A. Brandt <vab@bb-c.de>
From: Bill Studenmund <wrstuden@netbsd.org>
List: tech-kern
Date: 04/21/2006 09:56:38
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On Fri, Apr 21, 2006 at 06:03:47PM +0200, Volker A. Brandt wrote:
> > *  Journaling for FFS  -- Solaris UFS (the same filesystem we call FFS)
> >    provides for a journaling filesystem with snapshots. Extend FFS/FFS2
> >    similarly; it may even be possible to use a compatible on-disk
> >    format.
>=20
> I find this a very interesting idea.  Has anyone looked at the
> feasibility of adapting the OpenSolaris ufs code?  Is this possible
> per the Sun license?

I think that it'd be much better to just look at it for inspiration. If=20
you care about journaling, look at "Practical File System Design with the=
=20
Be File System" by Dominic Giampaolo.

> The next step of course would be to support zfs... that would be an
> awesome SoC project! :-)

As noted, that's much more than an SoC project.

Take care,

Bill

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