linux-kernel - Re: XFS read hangs in 3.1-rc10

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Message-ID: <20111026112521.GA10432@infradead.org>
Date:	Wed, 26 Oct 2011 07:25:21 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Simon Kirby <sim@...tway.ca>
Cc:	linux-kernel@...r.kernel.org, xfs@....sgi.com
Subject: Re: XFS read hangs in 3.1-rc10

On Tue, Oct 25, 2011 at 01:07:48PM -0700, Simon Kirby wrote:
> This patch seems to work, at least on an SSD box. No more hung task
> warnings, and everything appears normal.
> 
> Do we know what caused this regression and/or how to fix it without the
> big hammer, or do we need to break it down further?

I have an idea and will send you a refined patch soon.  I'm at a
conference until tomorrow, so you'll probably have to wait another day
or two for it.
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