Re: [PATCH 03/27] xfs: use write_cache_pages for writeback clustering

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On Fri, Jul 01, 2011 at 03:59:35PM +0100, Mel Gorman wrote:
> On Fri, Jul 01, 2011 at 05:33:05AM -0400, Christoph Hellwig wrote:
> > Johannes, Mel, Wu,
> 
> Am adding Jan Kara as he has been working on writeback efficiency
> recently as well.
> 
> > Dave has been stressing some XFS patches of mine that remove the XFS
> > internal writeback clustering in favour of using write_cache_pages.
> > 
> 
> Against what kernel? 2.6.38 was a disaster for reclaim I've been
> finding out this week. I don't know about 2.6.38.8. 2.6.39 was better.

The patch series is against current 3.0-rc, I assume that's what Dave
tested as well.

> I'm assuming "test 180" is from xfstests which was not one of the tests
> I used previously. To run with 1000 files instead of 100, was the file
> "180" simply editted to make it look like this loop instead?

Yes. to both questions.

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