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blkcg: export __blkg_prfill_rwstat()

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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>
This commit is contained in:
Tejun Heo 2013-01-09 08:05:12 -08:00
parent 4d5e80a760
commit b50da39f51
1 changed files with 1 additions and 0 deletions
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1
block/blk-cgroup.c
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@ -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