bsd/nfs/nfs_subs.c

340 	mbuf_t mb;
347 	nfsm_mbuf_get(error, &mb, sizehint);
350 	if (mb == NULL)
358 		error = mbuf_setnext(nmc->nmc_mcur, mb);
360 			mbuf_free(mb);
366 	nmc->nmc_mcur = mb;
367 	nmc->nmc_ptr = mbuf_data(mb);
368 	nmc->nmc_left = mbuf_trailingspace(mb);
486 	mbuf_t mb;
489 	for (mb = nmc->nmc_mhead; mb; mb = mbuf_next(mb)) {
490 		if (mb == nmc->nmc_mcur)
491 			return (len + (nmc->nmc_ptr - (caddr_t) mbuf_data(mb)));
492 		len += mbuf_len(mb);
506 	mbuf_t mb;
515 		nmc->nmc_mcur = mb = mbuf_next(nmc->nmc_mcur);
516 		if (!mb)
518 		nmc->nmc_ptr = mbuf_data(mb);
519 		nmc->nmc_left = mbuf_len(mb);
563 	mbuf_t mbcur, mb;
570 		mb = mbuf_next(nmc->nmc_mcur);
571 		nmc->nmc_mcur = mb;
572 		if (!mb)
574 		nmc->nmc_ptr = mbuf_data(mb);
575 		nmc->nmc_left = mbuf_len(mb);
601 		nfsm_mbuf_get(error, &mb, len);
605 		if (mbuf_maxlen(mb) < len) {
606 			mbuf_free(mb);
611 		*pptr = ptr = mbuf_data(mb);
616 		mbuf_setlen(mb, left);
619 		error = mbuf_setnext(mb, mbuf_next(mbcur));
621 			error = mbuf_setnext(mbcur, mb);
623 			mbuf_free(mb);
634 		nmc->nmc_mcur = mbcur = mb;
659 	/* mb follows mbufs we're copying/compacting data from */
660 	mb = mbuf_next(mbcur);
662 	while (need && mb) {
664 		ptr = mbuf_data(mb);
665 		mblen = mbuf_len(mb);
673 			error = mbuf_setdata(mb, ptr + cplen, mblen - cplen);
684 			mb = mbuf_next(mb);
696 	 * "mb" points to the last mbuf we copied data from so we
699 	nmc->nmc_mcur = mb;
700 	nmc->nmc_ptr = mbuf_data(mb);
701 	nmc->nmc_left = mbuf_len(mb);
737 			mbuf_t mb = mbuf_next(nmc->nmc_mcur);
738 			nmc->nmc_mcur = mb;
739 			nmc->nmc_ptr = mb ? mbuf_data(mb) : NULL;
740 			nmc->nmc_left = mb ? mbuf_len(mb) : 0;
782 			mbuf_t mb = mbuf_next(nmc->nmc_mcur);
783 			nmc->nmc_mcur = mb;
784 			nmc->nmc_ptr = mb ? mbuf_data(mb) : NULL;
785 			nmc->nmc_left = mb ? mbuf_len(mb) : 0;
1036 	mbuf_t mreq, mb;
1192 	for (mb = nmreq.nmc_mhead; mb; mb = mbuf_next(mb))
1193 		reqlen += mbuf_len(mb);