1 files changed, 15 insertions, 0 deletions
diff --git a/block/elevator.h b/block/elevator.h
index 75382471222d..774a8f6b99e6 100644
--- a/block/elevator.h
+++ b/block/elevator.h
@@ -84,6 +84,21 @@ struct elevator_type
 	struct list_head list;
 };
 
+static inline bool elevator_tryget(struct elevator_type *e)
+{
+	return try_module_get(e->elevator_owner);
+}
+
+static inline void __elevator_get(struct elevator_type *e)
+{
+	__module_get(e->elevator_owner);
+}
+
+static inline void elevator_put(struct elevator_type *e)
+{
+	module_put(e->elevator_owner);
+}
+
 #define ELV_HASH_BITS 6
 
 void elv_rqhash_del(struct request_queue *q, struct request *rq);