On Fri, Dec 28, 2012 at 12:35:39PM -0800, Tejun Heo wrote: > Add two blkcg_policy methods, ->online_pd_fn() and ->offline_pd_fn(), > which are invoked as the policy_data gets activated and deactivated > while holding both blkcg and q locks. > > Also, add blkcg_gq->online bool, which is set and cleared as the > blkcg_gq gets activated and deactivated. This flag also is toggled > while holding both blkcg and q locks. > > These 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/
