On Fri, Dec 28, 2012 at 12:35:43PM -0800, Tejun Heo wrote: > Instead of holding blkcg->lock while walking ->blkg_list and executing > prfill(), RCU walk ->blkg_list and hold the blkg's queue lock while > executing prfill(). This makes prfill() implementations easier as > stats are mostly protected by queue lock. > > This will be used to implement hierarchical stats. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Acked-by: Vivek Goyal <vgoyal@xxxxxxxxxx> Vivek -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html