On Fri, 2010-08-27 at 18:36 +0800, Wu Fengguang wrote: > The dirty_ratio was siliently limited in global_dirty_limits() to >= 5%. > This is not a user expected behavior. And it's inconsistent with > calc_period_shift(), which uses the plain vm_dirty_ratio value. > > Let's rip the internal bound. > > At the same time, fix balance_dirty_pages() to work with the > dirty_thresh=0 case. This allows applications to proceed when > dirty+writeback pages are all cleaned. > > And ">" fits with the name "exceeded" better than ">=" does. Neil > think it is an aesthetic improvement as well as a functional one :) > > CC: Jan Kara <jack@xxxxxxx> > CC: Rik van Riel <riel@xxxxxxxxxx> Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> > Proposed-by: Con Kolivas <kernel@xxxxxxxxxxx> > Reviewed-by: Neil Brown <neilb@xxxxxxx> > Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> > Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
