Re: [PATCH] Clean up dquot pincount code

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Fri, Sep 26, 2008 at 02:11:46PM +1000, Peter Leckie wrote:
> This is a code cleanup and optimization that removes a per mount point
> spinlock from the quota code and cleans up the code.
>
> The patch changes the pincount from being an int protected by a spinlock
> to an atomic_t allowing the pincount to be manipulated without holding
> the spinlock.
>
> This cleanup also protects against random wakup's of both the aild and
> xfssyncd by reevaluating the pincount after been woken. Two latter patches
> will address the Spurious wakeups.

Looks good.