rq_slen
base = req->rq_slen;
__entry->total = rqst->rq_slen;
__entry->remaining = rqst->rq_slen - transport->xmit.offset;
if (sent >= req->rq_slen)
unsigned int msglen = rm ? req->rq_slen + sizeof(rm) : req->rq_slen;
unsigned int msglen = rm ? req->rq_slen + sizeof(rm) : req->rq_slen;