Re: [PATCH 01/45] writeback: reduce calls to global_page_state inbalance_dirty_pages()

From: Peter Zijlstra
Date: Sun Oct 11 2009 - 06:59:59 EST


On Sun, 2009-10-11 at 18:50 +0800, Wu Fengguang wrote:
>
> Sorry for the confusion, but I mean, filesystems have to limit
> nr_writeback (directly or indirectly via the block io queue),
> otherwise it either hit nr_dirty to 0 (with the loop), or let
> nr_writeback grow out of control (without the loop).

OK, it seems we are indeed in agreement.

Just making sure ;-)

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