XBD_MAX_CHUNK
CTASSERT((MAXPHYS <= 2*XBD_MAX_CHUNK));
&& bp->b_bcount > XBD_MAX_CHUNK) {
bp->b_bcount > XBD_MAX_CHUNK) {
if (bp->b_bcount > XBD_MAX_CHUNK) {
bp, XBD_MAX_CHUNK, xbdreq->req_dmamap,
size = uimin(bp->b_bcount - start, XBD_MAX_CHUNK);