don't open-code file_count()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8558e81fdc2af85dd52486b7c8d55580fe997373..3c724cc949a5fbb41e2f702e69f1c5d6767e1fe2 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4354,7 +4354,7 @@ static bool discard_backing_storage(struct drm_i915_gem_object *obj)
         * acquiring such a reference whilst we are in the middle of
         * freeing the object.
         */
-       return atomic_long_read(&obj->base.filp->f_count) == 1;
+       return file_count(obj->base.filp) == 1;
 }
 
 static void __i915_gem_free_objects(struct drm_i915_private *i915,