Re: writeout stalls in current -git
From: Peter Zijlstra
Date: Tue Nov 06 2007 - 14:01:44 EST
On Tue, 2007-11-06 at 15:25 +1100, David Chinner wrote:
> I'm struggling to understand what possible changed in XFS or writeback that
> would lead to stalls like this, esp. as you appear to be removing files when
> the stalls occur.
Just a crazy idea,..
Could there be a set_page_dirty() that doesn't have
balance_dirty_pages() call near? For example modifying meta data in
Such a situation could lead to an excess of dirty pages and the next
call to balance_dirty_pages() would appear to stall, as it would
desperately try to get below the limit again.
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