From 829fdb50004de78f1bd187e428d72edcd9721cb8 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sun, 1 Apr 2012 14:38:43 -0700
Subject: [PATCH] blkcg: export conf/stat helpers to prepare for reorganization

conf/stat handling is about to be moved to policy implementation from
blkcg core.  Export conf/stat helpers from blkcg core so that
blk-throttle and cfq-iosched can use them.

Signed-off-by: Tejun Heo <tj@kernel.org>
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