[PATCH 1/2] blkcg: Export blkcg_conf_prep/finish() for bfq

[Tejun Heo]

bfq module build is currently broken due to these two functions.  Fix
it by export them.

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Paolo Valente <paolo.valente@xxxxxxxxxx>
---
 block/blk-cgroup.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -900,6 +900,7 @@ fail:
 	}
 	return ret;
 }
+EXPORT_SYMBOL_GPL(blkg_conf_prep);
 
 /**
  * blkg_conf_finish - finish up per-blkg config update
@@ -915,6 +916,7 @@ void blkg_conf_finish(struct blkg_conf_c
 	rcu_read_unlock();
 	put_disk_and_module(ctx->disk);
 }
+EXPORT_SYMBOL_GPL(blkg_conf_finish);
 
 static int blkcg_print_stat(struct seq_file *sf, void *v)
 {