blkcg: implement blkg_for_each_descendant_post()
authorTejun Heo <tj@kernel.org>
Tue, 14 May 2013 20:52:31 +0000 (13:52 -0700)
committerTejun Heo <tj@kernel.org>
Tue, 14 May 2013 20:52:31 +0000 (13:52 -0700)
This will be used by blk-throttle hierarchy support.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
block/blk-cgroup.h

Simple merge