Re: [PATCH 9/9] writeback: Prioritise dirty inodes encountered byreclaim for background flushing

[Christoph Hellwig]

On Wed, Jul 28, 2010 at 11:27:23AM +0100, Mel Gorman wrote:
> It is preferable that as few dirty pages are dispatched for cleaning from
> the page reclaim path. When dirty pages are encountered by page reclaim,
> this patch marks the inodes that they should be dispatched immediately. When
> the background flusher runs, it moves such inodes immediately to the dispatch
> queue regardless of inode age.

Thus whole thing looks rather hacky to me.  Does it really give a large
enough benefit to be worth all the hacks?

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