From: Tejun Heo <tj@kernel.org>
Date: Wed, 9 Jan 2013 16:05:12 +0000 (-0800)
Subject: blkcg: export __blkg_prfill_rwstat()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b50da39f51139f81b3115d0f9d8632507f802755;p=linux-beck.git

blkcg: export __blkg_prfill_rwstat()

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>
---

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 4d625d28e070..3aec4cdc8968 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -552,6 +552,7 @@ u64 __blkg_prfill_rwstat(struct seq_file *sf, struct blkg_policy_data *pd,
 	seq_printf(sf, "%s Total %llu\n", dname, (unsigned long long)v);
 	return v;
 }
+EXPORT_SYMBOL_GPL(__blkg_prfill_rwstat);
 
 /**
  * blkg_prfill_stat - prfill callback for blkg_stat