write_subbuf 1047 kernel/relay.c size_t read_subbuf, read_offset, write_subbuf, write_offset; write_subbuf 1050 kernel/relay.c write_subbuf = (buf->data - buf->start) / subbuf_size; write_subbuf 1056 kernel/relay.c if (read_subbuf == write_subbuf) {