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Re: [PATCH 4/4] xfs: fix the logspace waiting algorithm

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 4/4] xfs: fix the logspace waiting algorithm
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 5 Dec 2011 04:05:44 -0500
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Ben Myers <bpm@xxxxxxx>, xfs@xxxxxxxxxxx, Dave Chinner <dchinner@xxxxxxxxxx>
In-reply-to: <20111205025316.GD7046@dastard>
References: <20111128081732.350228200@xxxxxxxxxxxxxxxxxxxxxx> <20111128081925.981681380@xxxxxxxxxxxxxxxxxxxxxx> <20111130235641.GX29840@xxxxxxx> <20111201072149.GA1319@xxxxxxxxxxxxx> <20111201195128.GZ29840@xxxxxxx> <20111202115141.GA21643@xxxxxxxxxxxxx> <20111205025316.GD7046@dastard>
User-agent: Mutt/1.5.21 (2010-09-15)
On Mon, Dec 05, 2011 at 01:53:16PM +1100, Dave Chinner wrote:
> Actually, it's quite simple to fix simply by having the free space
> check return the grant head value at the time of the check and then
> using that as the old value in the cmpxchg loop for updating the
> grant head. That is:

I;ll give it a go for 3.3.

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