diff --git a/[refs] b/[refs]
index c6b507cf9a59..a9d17a3ac8cf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 274193224cdabd687d804a26e0150bb20f2dd52c
+refs/heads/master: 64c42998f14d5894ea3138625897d620b30c8e4e
diff --git a/trunk/block/blk-ioc.c b/trunk/block/blk-ioc.c
index c04d16b02225..ce9b35a9468e 100644
--- a/trunk/block/blk-ioc.c
+++ b/trunk/block/blk-ioc.c
@@ -464,6 +464,7 @@ void ioc_cgroup_changed(struct io_context *ioc)
 	ioc_set_changed(ioc, ICQ_CGROUP_CHANGED);
 	spin_unlock_irqrestore(&ioc->lock, flags);
 }
+EXPORT_SYMBOL(ioc_cgroup_changed);
 
 static int __init blk_ioc_init(void)
 {