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 <t...@kernel.org>
Acked-by: Vivek Goyal <vgo...@redhat.com> Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
