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From: Dieter =?iso-8859-1?q?N=FCtzel?= <Dieter.Nuetzel@hamburg.de>
Organization: DN
To: Andrew Morton <akpm@digeo.com>, Hans Reiser <reiser@namesys.com>
Subject: Re: [BK][PATCH] Reiser4, will double Linux FS performance, pleaseapply
Date: Fri, 1 Nov 2002 02:44:44 +0100
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       umka <umka@thebsh.namesys.com>
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Am Freitag, 1. November 2002 02:33 schrieb Andrew Morton:
> Hans Reiser wrote:
> > Well, if we are only 2.5 times as fast for writes as ext3 after your
> > patch is applied, I'll still feel good.;-)
>
> whupping ext3's butt on write performance isn't very hard, really ;)
>
> But it should be done based on "feature equivalency".  By default,
> ext3 uses ordered data writes.  Data is written to disk before
> the metadata to which that data refers is committed to journal.
>
> It would be questionable to compare a metadata-only journalling
> approach to ext3 with data=journal or data=ordered.

As I understood it Reiser4 would have that from the beginning.
It is all new and not ReiserFS v3 which get this with Chris's data-logging 
patches delayed for 2.4.21/2.5.45+.

Plugins for encryption, ACLs, etc are in the works.

-Dieter
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