rvt_mr_has_lkey
rval = rvt_mr_has_lkey(ss->sge.mr, lkey);
rval = rvt_mr_has_lkey(ss->sg_list[i].mr, lkey);
if (rvt_mr_has_lkey(sge->mr, lkey))
if (rvt_mr_has_lkey(qp->s_rdma_mr, lkey))
if (rvt_mr_has_lkey(e->rdma_sge.mr, lkey))
bool rvt_mr_has_lkey(struct rvt_mregion *mr, u32 lkey);