From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: [PATCH 6/8] xfs: remove all the inodes on a buffer from the AIL in bulk
Date: Tue, 7 Dec 2010 02:39:25 -0500 [thread overview]
Message-ID: <20101207073925.GA25617@infradead.org> (raw)
In-Reply-To: <20101207034456.GB29856@dastard>
On Tue, Dec 07, 2010 at 02:44:56PM +1100, Dave Chinner wrote:
> On Mon, Dec 06, 2010 at 09:33:08AM -0500, Christoph Hellwig wrote:
> > While the patch looks good for the ail lock contetion removal, I don't
> > quite like the model with the double iteration over the log item list
> > on the buffer. What do you think about the following plan:
> >
> > (1) merge xfs_istale_done into xfs_iflush_done by checking for
> > XFS_ISTALE
> > (2) convert not only the inode log item completion to your new scheme,
> > but also the dquots
> > (3) replace xfs_buf_do_callbacks with a callback in the buffer, which
> > now points to the inode and dqout routines, or calls the completion
> > for the only items in "normal" buf items.
>
> Seems like a reasonable approach. However, what I'd prefer to do is
> make these changes as a separate set of changes on top of this patch
> series rather than try to integrate them into the existing series.
> If there are problems, that should make it more bisectable. Do you
> have any concerns with such an approach?
Sounds fine, although I think getting rid of xfs_istale_done might be
worth doing before this patch.
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next prev parent reply other threads:[~2010-12-07 7:37 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 1:12 [PATCH 0/8] xfs: AIL lock contention reduction V2 Dave Chinner
2010-11-29 1:12 ` [PATCH 1/8] xfs: Pull EFI/EFD handling out from under the AIL lock Dave Chinner
2010-11-30 20:17 ` Christoph Hellwig
2010-12-02 1:28 ` Dave Chinner
2010-12-02 11:38 ` Christoph Hellwig
2010-12-03 5:24 ` Dave Chinner
2010-11-29 1:12 ` [PATCH 2/8] xfs: clean up xfs_ail_delete() Dave Chinner
2010-11-30 20:19 ` Christoph Hellwig
2010-11-29 1:12 ` [PATCH 3/8] xfs: bulk AIL insertion during transaction commit Dave Chinner
2010-11-30 22:40 ` Christoph Hellwig
2010-12-02 1:32 ` Dave Chinner
2010-11-29 1:12 ` [PATCH 4/8] xfs: reduce the number of AIL push wakeups Dave Chinner
2010-11-30 20:19 ` Christoph Hellwig
2010-11-29 1:12 ` [PATCH 5/8] xfs: consume iodone callback items on buffers as they are processed Dave Chinner
2010-11-30 20:24 ` Christoph Hellwig
2010-11-29 1:12 ` [PATCH 6/8] xfs: remove all the inodes on a buffer from the AIL in bulk Dave Chinner
2010-12-06 14:33 ` Christoph Hellwig
2010-12-07 3:44 ` Dave Chinner
2010-12-07 7:39 ` Christoph Hellwig [this message]
2010-11-29 1:12 ` [PATCH 8/8] xfs: use AIL bulk delete function to implement single delete Dave Chinner
2010-12-06 14:37 ` Christoph Hellwig
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