From: Donald Douwsma <donaldd@sgi.com>
To: Peter Leckie <pleckie@sgi.com>
Cc: xfs@oss.sgi.com, xfs-dev <xfs-dev@sgi.com>
Subject: Re: [PATCH] Clean up dquot pincount code
Date: Fri, 26 Sep 2008 14:30:45 +1000 [thread overview]
Message-ID: <48DC6575.3060403@sgi.com> (raw)
In-Reply-To: <48DC6102.2040602@sgi.com>
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.
>
> Signed-off-by: Peter Leckie <pleckie@sgi.com>
Looks good Peter, nice to get rid of that spinlock.
Don
next prev parent reply other threads:[~2008-09-26 4:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-26 4:11 [PATCH] Clean up dquot pincount code Peter Leckie
2008-09-26 4:30 ` Donald Douwsma [this message]
2008-09-26 4:33 ` Dave Chinner
2008-09-26 6:31 ` Christoph Hellwig
2008-09-29 1:24 ` Peter Leckie
2008-09-29 2:11 ` Donald Douwsma
-- strict thread matches above, loose matches on Subject: below --
2008-09-30 2:17 (no subject) Peter Leckie
2008-09-30 2:22 ` [PATCH] Clean up dquot pincount code Peter Leckie
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