Re: regression in page writeback

[Peter Zijlstra]

On Wed, 2009-09-23 at 10:19 +0100, Richard Kennedy wrote:
> 
> I am concerned that the background writeout no longer stops when it
> reaches the background threshold, as balance_dirty_pages requests all
> dirty pages to be written. No doubt this is good for large linear writes
> but what about more random write workloads? 

I've not had time to look over the current code, but write-out not
stopping on reaching background threshold is a definite bug and needs to
get fixed.

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