linux-kernel - Re: [PATCH 1/1] NBD: allow nbd to be used locally

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Message-ID: <20080310102917.GA27751@elf.ucw.cz>
Date:	Mon, 10 Mar 2008 11:29:17 +0100
From:	Pavel Machek <pavel@....cz>
To:	Paul Clements <paul.clements@...eleye.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, nbd-general@...ts.sourceforge.net,
	Laurent Vivier <Laurent.Vivier@...l.net>
Subject: Re: [PATCH 1/1] NBD: allow nbd to be used locally

Hi!

> This patch allows a Network Block Device to be mounted locally (nbd-client 
> to nbd-server over 127.0.0.1).
>
> It creates a kthread to avoid the deadlock described in NBD tools 
> documentation. So, if nbd-client hangs waiting for pages, the kblockd 
> thread can continue its work and free pages.

What happens if your new kthread blocks on memory allocation?
									Pavel-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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