Re: [PATCH 4/8] writeback: track if we're sleeping on progress in balance_dirty_pages()
From: Christoph Hellwig
Date: Wed Nov 02 2016 - 10:57:11 EST
On Tue, Nov 01, 2016 at 03:08:47PM -0600, Jens Axboe wrote:
> Note in the bdi_writeback structure whenever a task ends up sleeping
> waiting for progress. We can use that information in the lower layers
> to increase the priority of writes.
Do we need to care about atomicy of multiple threads updating the value
?
Otherwise this looks fine.