if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CANCEL_BL_CB_RACE)) {
                long to = cfs_time_seconds(1);

                ldlm_callback_reply(req, 0);

                while (to > 0) {
                        schedule_timeout_interruptible(to);
                        if (ldlm_is_granted(lock) ||
                            ldlm_is_destroyed(lock))
                                break;
                }
        }