};
/* Grab clients that are attached to a btr node. */
-INITIALIZED_LIST_HEAD(active_grab_client_list);
+static INITIALIZED_LIST_HEAD(active_grab_client_list);
/* Grab clients that are not currently attached any btr node. */
-INITIALIZED_LIST_HEAD(inactive_grab_client_list);
+static INITIALIZED_LIST_HEAD(inactive_grab_client_list);
static int gc_write(struct grab_client *gc, char *buf, size_t len)
{