smp_mb__after_atomic_inc();
}
-/**
- * kref_test_and_get - increment refcount for object only if refcount is not
- * zero.
- * @kref: object.
- *
- * Return non-zero if the refcount was incremented, 0 otherwise
- */
-int kref_test_and_get(struct kref *kref)
-{
- return atomic_inc_not_zero(&kref->refcount);
-}
-
/**
* kref_put - decrement refcount for object.
* @kref: object.