850 	struct	buf *nbp;  in cgd_diskstart()  local
862 	nbp = getiobuf(sc->sc_tvn, false);  in cgd_diskstart()
863 	if (nbp == NULL)  in cgd_diskstart()
868 		putiobuf(nbp);  in cgd_diskstart()
874 	cx->cx_nbp = nbp;  in cgd_diskstart()
887 			putiobuf(nbp);  in cgd_diskstart()
908 	struct	buf *nbp;  in cgd_diskstart2()  local
911 	nbp = cx->cx_nbp;  in cgd_diskstart2()
913 	nbp->b_data = cx->cx_dstv;  in cgd_diskstart2()
914 	nbp->b_flags = bp->b_flags;  in cgd_diskstart2()
915 	nbp->b_oflags = bp->b_oflags;  in cgd_diskstart2()
916 	nbp->b_cflags = bp->b_cflags;  in cgd_diskstart2()
917 	nbp->b_iodone = cgdiodone;  in cgd_diskstart2()
918 	nbp->b_proc = bp->b_proc;  in cgd_diskstart2()
919 	nbp->b_blkno = btodb(cx->cx_blkno * cx->cx_secsize);  in cgd_diskstart2()
920 	nbp->b_bcount = bp->b_bcount;  in cgd_diskstart2()
921 	nbp->b_private = cx;  in cgd_diskstart2()
923 	BIO_COPYPRIO(nbp, bp);  in cgd_diskstart2()
925 	if ((nbp->b_flags & B_READ) == 0) {  in cgd_diskstart2()
926 		vp = nbp->b_vp;  in cgd_diskstart2()
931 	VOP_STRATEGY(sc->sc_tvn, nbp);  in cgd_diskstart2()
935 cgdiodone(struct buf *nbp)  in cgdiodone()  argument
937 	struct	cgd_xfer *cx = nbp->b_private;  in cgdiodone()
946 	DPRINTF_FOLLOW(("cgdiodone(%p)\n", nbp));  in cgdiodone()
950 	    " addr %p bcnt %d\n", nbp->b_dev, nbp, nbp->b_blkno, nbp->b_data,  in cgdiodone()
951 		nbp->b_bcount));  in cgdiodone()
952 	if (nbp->b_error != 0) {  in cgdiodone()
953 		obp->b_error = nbp->b_error;  in cgdiodone()
964 	if (nbp->b_flags & B_READ) {  in cgdiodone()
965 		bn = dbtob(nbp->b_blkno) / dg->dg_secsize;  in cgdiodone()
968 		cx->cx_nbp     = nbp;  in cgdiodone()
988 	struct buf *nbp = cx->cx_nbp;  in cgd_iodone2()  local
994 	if (nbp->b_data != obp->b_data)  in cgd_iodone2()
995 		cgd_putdata(sc, nbp->b_data, nbp->b_bcount);  in cgd_iodone2()
997 	putiobuf(nbp);  in cgd_iodone2()