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To: Ryan Cumming <bodnar42@phalynx.dhs.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Special Kernel Modification 
In-Reply-To: Your message of "Sun, 04 Nov 2001 21:30:38 PST."
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Date: Mon, 05 Nov 2001 09:22:09 -0500
From: Jeff Dike <jdike@karaya.com>
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bodnar42@phalynx.dhs.org said:
> Nope, last I checked O_DIRECT enforces buffer and file offset
> alignment.  Normal apps wouldn't work very well at all. 

Except that the apps won't be the ones doing O_DIRECT IO.  It'll be UML, and
it can presumably provide whatever alignment is required.

> Maybe UML needs some hacks around  the whole caching issue?

Not that I can see...

				Jeff

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