blkcg: export __blkg_prfill_rwstat()
authorTejun Heo <tj@kernel.org>
Wed, 9 Jan 2013 16:05:12 +0000 (08:05 -0800)
committerTejun Heo <tj@kernel.org>
Wed, 9 Jan 2013 16:05:12 +0000 (08:05 -0800)
Hierarchical stats for cfq-iosched will need __blkg_prfill_rwstat().
Export it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
block/blk-cgroup.c

Simple merge