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

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Message-ID: <20111128210118.GT29840@sgi.com>
Date:	Mon, 28 Nov 2011 15:01:18 -0600
From:	Ben Myers <bpm@....com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Simon Kirby <sim@...tway.ca>, linux-kernel@...r.kernel.org,
	xfs@....sgi.com
Subject: Re: XFS read hangs in 3.1-rc10

Hey Christoph,

On Mon, Nov 28, 2011 at 02:55:05PM -0500, Christoph Hellwig wrote:
> On Mon, Nov 28, 2011 at 11:05:54AM -0800, Simon Kirby wrote:
> > On Sun, Nov 20, 2011 at 10:32:41AM -0500, Christoph Hellwig wrote:
> > 
> > > On Wed, Nov 16, 2011 at 11:56:43AM -0800, Simon Kirby wrote:
> > > > Sorry for the delay in testing.
> > > > 
> > > > Yes, everything looks fine even with the xfs_log_force line from your
> > > > patch commented out. So, the changes in xfs_reclaim_inode() are just the
> > > > set_bit(XBT_FORCE_FLUSH) and wake_up_process(), relative to 3.1.
> > > 
> > > Dave pointed out that we can do better than the big hammer, and the
> > > patch below should fix your issue, too.  Can you test it?
> > 
> > Yes, seems to be fine. No hung task warnings, tested for ~5 days.
> 
> Thanks a lot for the testing Simon.
> 
> Ben, can you add a:
> 
> Tested-by: Simon Kirby <sim@...tway.ca>
> 
> to the patch when applying it?

Yep, I will add Simon's Tested-by:

Thanks Simon!  ;)

-Ben
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