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Subject: Re: Soft updates for 2.5?
From: Michael Rothwell <rothwell@holly-springs.nc.us>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Alex Khripin <akhripin@morgoth.mit.edu>, linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.33L.0107012331360.19985-100000@imladris.rielhome.conectiva>
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Date: 01 Jul 2001 22:58:04 -0400
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While on the topic of reslilent, high-performance filesystems, what ever
became of "Tux", Daniel Philip's mythical WAFL-type filesystem?

On 01 Jul 2001 23:33:52 -0300, Rik van Riel wrote:
> On Sat, 30 Jun 2001, Alex Khripin wrote:
> 
> > There was a discussion in October, 2000, about the Granger and
> > McKusick paper on soft updates for the BSD FFS. Reading the thread,
> > nothing conclusive seemed to come out of it.
> 
> What you want is ext3.
> 
> It is a journaling version of ext2, which basically
> means you get all the advantages of soft updates and
> a bit more (due to the atomicity that journaled
> transactions can give you).
> 
> It should be superior to softupdates in both the
> consistency area and the performance area (due to
> the fact that stuff is in the journal, you have
> more freedom to reorder the writes to the "main"
> part of the filesystem).
> 
> regards,
> 
> Rik
> --
> Virtual memory is like a game you can't win;
> However, without VM there's truly nothing to lose...
> 
> http://www.surriel.com/		http://distro.conectiva.com/
> 
> Send all your spam to aardvark@nl.linux.org (spam digging piggy)
> 
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--
Michael Rothwell
rothwell@holly-springs.nc.us


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