limit_to_rquota
rq->rq_bhardlimit = limit_to_rquota(blocks->qv_hardlimit);
rq->rq_bsoftlimit = limit_to_rquota(blocks->qv_softlimit);
rq->rq_fhardlimit = limit_to_rquota(files->qv_hardlimit);
rq->rq_fsoftlimit = limit_to_rquota(files->qv_softlimit);