774 		qfp->q_tab.b_actf = bp->av_forw;  in que_del()
777 		bp->av_forw = 0;  in que_del()
803 #define	hd_sync_next		av_forw
926 	bp1->av_back->av_forw = bp;
929 	bp->av_forw = bp1;
964 		bp->av_forw = bp->av_back = bp;  in que_insert()
981 				bp->av_forw = bp1->av_forw;  in que_insert()
982 				bp1->av_forw->av_back = bp;  in que_insert()
983 				bp1->av_forw = bp;  in que_insert()
1001 		bp->av_forw = lowest_bp;  in que_insert()
1002 		lowest_bp->av_back->av_forw = bp;  in que_insert()
1016 				bp->av_forw = bp1;  in que_insert()
1017 				bp1->av_back->av_forw = bp;  in que_insert()
1033 		} while ((DBLK(bp1->av_forw) > DBLK(bp1)) &&  in que_insert()
1034 		    ((bp1 = bp1->av_forw) != bp_start));  in que_insert()
1036 		highest_bp->av_forw->av_back = bp;  in que_insert()
1037 		bp->av_forw = highest_bp->av_forw;  in que_insert()
1038 		highest_bp->av_forw = bp;  in que_insert()
1071 		bp->b_forw = bp1->av_forw;  in qmerge_iodone()
1072 		bp1->av_forw->av_back = bp1->av_back;  in qmerge_iodone()
1073 		bp1->av_back->av_forw = bp1->av_forw;  in qmerge_iodone()
1090 	} while ((bp1 = bp->b_forw) != bp->b_forw->av_forw);  in qmerge_iodone()
1122 		} else if (bp->av_forw == bp) {  in qmerge_nextbp()
1123 			bp->av_forw = bp->av_back = NULL;  in qmerge_nextbp()
1131 		} else if (DBLK(bp) > DBLK(bp->av_forw)) {  in qmerge_nextbp()
1138 			private = DBLK(bp->av_forw);  in qmerge_nextbp()
1148 				*sync_bpp = sync_bp->av_forw;  in qmerge_nextbp()
1149 				*async_bpp = async_bp->av_forw;  in qmerge_nextbp()
1202 		} else if (bp->av_forw == bp) {  in qmerge_nextbp()
1203 			bp->av_forw = bp->av_back = NULL;  in qmerge_nextbp()
1217 		} else if (bp->av_forw == bp) {  in qmerge_nextbp()
1220 			bp->av_forw = bp->av_back = NULL;  in qmerge_nextbp()
1239 		} else if (DBLK(bp) > DBLK(bp->av_forw)) {  in qmerge_nextbp()
1257 			private = DBLK(bp->av_forw);  in qmerge_nextbp()
1262 	if (bp->av_forw) {  in qmerge_nextbp()
1270 			*bpp = bp->av_forw;  in qmerge_nextbp()
1272 			    DBLK(bp->av_forw))  in qmerge_nextbp()
1275 		bp->av_forw->av_back = bp->av_back;  in qmerge_nextbp()
1276 		bp->av_back->av_forw = bp->av_forw;  in qmerge_nextbp()
1277 		bp->av_forw = bp->av_back = NULL;  in qmerge_nextbp()
1315 			bp->av_forw = bp->av_back = bp;  in qmerge_del()
1356 		qfp->q_tab.b_actl->av_forw = bp;  in qfifo_add()
1358 	bp->av_forw = NULL;  in qfifo_add()
1408 		bp->av_forw = NULL;  in oneway_scan_binary()
1415 			bp->av_forw = ap;  in oneway_scan_binary()
1419 	while (ap->av_forw) {  in oneway_scan_binary()
1420 		if (DBLK(bp) < DBLK(ap->av_forw))  in oneway_scan_binary()
1422 		ap = ap->av_forw;  in oneway_scan_binary()
1424 	bp->av_forw = ap->av_forw;  in oneway_scan_binary()
1425 	ap->av_forw = bp;  in oneway_scan_binary()
1438 	qfp->q_tab.b_actf = bp->av_forw;  in qsort_del()
1439 	bp->av_forw = 0;  in qsort_del()