Re: [RFC PATCH 0/6] Do not call ->writepage[s] from direct reclaimand use a_ops->writepages() where possible

From: Mel Gorman
Date: Fri Jun 11 2010 - 14:17:48 EST

On Fri, Jun 11, 2010 at 12:30:26PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 11, 2010 at 01:33:20PM +0100, Mel Gorman wrote:
> > Ok, I was under the mistaken impression that filesystems wanted to be
> > given ranges of pages where possible. Considering that there has been no
> > reaction to the patch in question from the filesystem people cc'd, I'll
> > drop the problem for now.
> Yes, we'd prefer them if possible. Then again we'd really prefer to
> get as much I/O as possible from the flusher threads, and not kswapd.

Ok, for the moment I'll put it on the maybe pile and drop it from the
series. We can revisit if a use is found for it and we're happy that
there wasn't some other bug leaving dirty pages on the LRU for too long.

Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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