tailbuf_len 452 net/sunrpc/xdr.c unsigned int tailbuf_len; tailbuf_len 459 net/sunrpc/xdr.c tailbuf_len = buf->buflen - buf->head->iov_len - buf->page_len; tailbuf_len 462 net/sunrpc/xdr.c if (tailbuf_len != 0) { tailbuf_len 463 net/sunrpc/xdr.c unsigned int free_space = tailbuf_len - tail->iov_len;