1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/kref.h b/include/linux/kref.h
index 484604d184be..171f68a43d1d 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -25,6 +25,8 @@ struct kref {
 	atomic_t refcount;
 };
 
+#define KREF_INIT(n)	{ .refcount = ATOMIC_INIT(n), }
+
 /**
  * kref_init - initialize object.
  * @kref: object in question.
@@ -34,6 +36,11 @@ static inline void kref_init(struct kref *kref)
 	atomic_set(&kref->refcount, 1);
 }
 
+static inline int kref_read(const struct kref *kref)
+{
+	return atomic_read(&kref->refcount);
+}
+
 /**
  * kref_get - increment refcount for object.
  * @kref: object.