linux-kernel - Re: [PATCH 2/3] UML - Limit request size on COWed devices

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Message-ID: <87odigw2ma.fsf@hades.wkstn.nix>
Date:	Fri, 13 Jul 2007 20:00:13 +0100
From:	Nix <nix@...eri.org.uk>
To:	Jeff Dike <jdike@...toit.com>
Cc:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [PATCH 2/3] UML - Limit request size on COWed devices

On 13 Jul 2007, Jeff Dike uttered the following:

> COWed devices can't handle more than 32 (64 on x86_64) sectors in one
> request due to the size of the bitmap being carried around in the
> io_thread_req.

This feels like a -stable candidate to me.
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