md: Export and rename find_rdev_nr_rcu

[firefly-linux-kernel-4.4.55.git] / drivers / md / md.h

diff --git a/drivers/md/md.h b/drivers/md/md.h
index d98c0d764d8f012f0c9352ee542e8cf2c7ce59db..ecdce36ec6b841d2ba67a4bd531d483dd8fb8bf0 100644 (file)
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -672,6 +672,7 @@ extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule);
 extern void md_reload_sb(struct mddev *mddev);
 extern void md_update_sb(struct mddev *mddev, int force);
 extern void md_kick_rdev_from_array(struct md_rdev * rdev);
+struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr);
 static inline int mddev_check_plugged(struct mddev *mddev)
 {
        return !!blk_check_plugged(md_unplug, mddev,