req_gntref
KASSERT(seg < __arraycount(xbdreq->req_gntref));
&xbdreq->req_gntref[seg]))) {
grant_ref_t req_gntref[XBD_XFER_LIMIT >> PAGE_SHIFT];
xbdreq->req_gntref[seg]);
bp, 0, xbdreq->req_dmamap, xbdreq->req_gntref);
xbdreq->req_gntref);
#define req_gntref u.req_rw.req_gntref
reqseg->gref = xbdreq->req_gntref[dmaseg];
gntref = xbdreq->req_gntref[seg];