> + if (req->rp.epoch > sys->epoch && > + req->rp.result == SD_RES_OLD_NODE_VER) { > + list_add_tail(&req->request_list, > + &sys->wait_rw_queue); This indentation is rather confusing, it should be something like: if (req->rp.epoch > sys->epoch && req->rp.result == SD_RES_OLD_NODE_VER) { list_add_tail(&req->request_list, |