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Date: Mon, 12 Mar 2001 14:51:46 +0100
From: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>
To: Jeff Garzik <jgarzik@mandrakesoft.com>
Cc: Art Boulatov <art@ksu.ru>, linux-kernel@vger.kernel.org
Subject: Re: filesystem for initrd
Message-ID: <20010312145146.A878@nightmaster.csn.tu-chemnitz.de>
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In-Reply-To: <3AAAC6C5.EF198D4A@mandrakesoft.com>; from jgarzik@mandrakesoft.com on Sat, Mar 10, 2001 at 07:28:53PM -0500
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On Sat, Mar 10, 2001 at 07:28:53PM -0500, Jeff Garzik wrote:
> cramfs is nice but still read-only at the moment...  You might be able
> to get away with stacking ramfs on top of that. 

What is easier because this ...

> If not, it shouldn't be hard to modify cramfs so that it allows
> fs modifications...  just stick the updated pages in RAM until
> the file is unlinked or the fs is unmounted.

... will lead into problems accounting available space on the fs,
since openers don't expect that they cannot write to a file
anymore, just because we we are out of RAM for backing the
writes.

I think unionfs will care for this kind of problems once we have
it implemented in an official tree.

Regards

Ingo Oeser
-- 
10.+11.03.2001 - 3. Chemnitzer LinuxTag <http://www.tu-chemnitz.de/linux/tag>
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