From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 1/3] mm: add context argument to shrinker callback
Date: Thu, 15 Jul 2010 14:09:46 -0400 [thread overview]
Message-ID: <20100715180946.GA14554@infradead.org> (raw)
In-Reply-To: <1279194418-16119-2-git-send-email-david@fromorbit.com>
On Thu, Jul 15, 2010 at 09:46:56PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> The current shrinker implementation requires the registered callback
> to have global state to work from. This makes it difficult to shrink
> caches that are not global (e.g. per-filesystem caches). Pass the shrinker
> structure to the callback so that users can embed the shrinker structure
> in the context the shrinker needs to operate on and get back to it in the
> callback via container_of().
>
> Signed-off-by: Dave Chinner <dchinner@redhat.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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next prev parent reply other threads:[~2010-07-15 18:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-15 11:46 [PATCH 0/3] shrinker fixes for XFS for 2.6.35 Dave Chinner
2010-07-15 11:46 ` [PATCH 1/3] mm: add context argument to shrinker callback Dave Chinner
2010-07-15 18:09 ` Christoph Hellwig [this message]
2010-07-20 19:30 ` Alex Elder
2010-07-20 22:53 ` Dave Chinner
2010-07-15 11:46 ` [PATCH 2/3] xfs: convert inode shrinker to per-filesystem contexts Dave Chinner
2010-07-15 18:10 ` Christoph Hellwig
2010-07-20 19:30 ` Alex Elder
2010-07-15 11:46 ` [PATCH 3/3] xfs: track AGs with reclaimable inodes in per-ag radix tree Dave Chinner
2010-07-15 18:12 ` Christoph Hellwig
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