linux-kernel - Re: AZFS file system proposal

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Message-ID: <20080618132100.0aedf4cc@mercedes-benz.boeblingen.de.ibm.com>
Date:	Wed, 18 Jun 2008 13:21:00 +0200
From:	Maxim Shchetynin <maxim@...ux.vnet.ibm.com>
To:	linux-fsdevel@...r.kernel.org
Cc:	Jan Engelhardt <jengelh@...ozas.de>,
	Matthew Wilcox <matthew@....cx>, linux-kernel@...r.kernel.org
Subject: Re: AZFS file system proposal

On Tue, 17 Jun 2008 16:36:28 +0200 (CEST)
Jan Engelhardt <jengelh@...ozas.de> wrote:

> 
> On Tuesday 2008-06-17 13:57, Maxim Shchetynin wrote:
> 
> >> >> (a) What is axonram?
> >> >> (b) why is axonram direct_access, and my other devices (including
> >> >> standard PC RAM) not?
> >> >
> >> >[Axonram is a module specific for IBM CellBlade and allows access to
> >> >a DDR2 memory attached onto Axon controller.] You don't need
> >> >direct_access and not azfs for main memory because there is already
> >> >a pretty nice tmpfs for it.
> >> 
> >> So the reason azfs could be useful is...?
> >
> >The "?" at the end of your sentence might mean a question. I would
> >be really happy to give an answer on it if I could understand it.
> 
> If one does not need direct_access nor azfs, and ext2 plus XIP minus
> caching or tmpfs plus XIP can achieve the same effect, what can azfs
> that we could not already do without azfs?

tmpfs plus xip? I'm 100% sure noone have tryed it yet. Does anyone want to? I not.

-- 
Mit freundlichen Grüßen / met vriendelijke groeten / avec regards

    Maxim V. Shchetynin
    Linux Kernel Entwicklung
    IBM Deutschland Entwicklung GmbH
    Linux für Cell, Abteilung 3250
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