59 	u_short sg_nseg;  member
64 	(sgsave).sg_nseg = (sg)->sg_nseg;				\
65 	if ((sgsave).sg_nseg > 0)					\
66 		(sgsave).ss_len = (sg)->sg_segs[(sgsave).sg_nseg - 1].ss_len; \
72 	(sg)->sg_nseg = (sgsave).sg_nseg;				\
73 	if ((sgsave).sg_nseg > 0)					\
74 		(sg)->sg_segs[(sgsave).sg_nseg - 1].ss_len = (sgsave).ss_len; \
92 		if (sg->sg_nseg == sg->sg_maxseg)  in _sglist_append_range()
97 		sg->sg_nseg++;  in _sglist_append_range()
130 	if (sg->sg_nseg == 0) {  in _sglist_append_buf()
134 		sg->sg_nseg = 1;  in _sglist_append_buf()
136 		ss = &sg->sg_segs[sg->sg_nseg - 1];  in _sglist_append_buf()
362 	if (sg->sg_nseg == 0) {  in sglist_append_phys()
365 		sg->sg_nseg = 1;  in sglist_append_phys()
368 	ss = &sg->sg_segs[sg->sg_nseg - 1];  in sglist_append_phys()
503 	if (sg->sg_nseg == 0) {  in sglist_append_vmpages()
507 		sg->sg_nseg = 1;  in sglist_append_vmpages()
512 	ss = &sg->sg_segs[sg->sg_nseg - 1];  in sglist_append_vmpages()
565 	ss = &sg->sg_segs[sg->sg_nseg - 1];  in sglist_append_sglist()
566 	for (i = 0; i < source->sg_nseg; i++) {  in sglist_append_sglist()
726 	new->sg_nseg = sg->sg_nseg;  in sglist_clone()
728 	    sg->sg_nseg);  in sglist_clone()
743 	for (i = 0; i < sg->sg_nseg; i++)  in sglist_length()
780 	for (i = 0; i < original->sg_nseg; i++) {  in sglist_split()
808 		if (sg->sg_nseg != 0)  in sglist_split()
815 	sg->sg_nseg = count;  in sglist_split()
832 	original->sg_nseg -= count;  in sglist_split()
850 	if (second->sg_nseg == 0)  in sglist_join()
858 	flast = &first->sg_segs[first->sg_nseg - 1];  in sglist_join()
860 	if (first->sg_nseg != 0 &&  in sglist_join()
865 	if (first->sg_nseg + second->sg_nseg - append > first->sg_maxseg)  in sglist_join()
873 	bcopy(first->sg_segs + first->sg_nseg, second->sg_segs + append,  in sglist_join()
874 	    (second->sg_nseg - append) * sizeof(struct sglist_seg));  in sglist_join()
875 	first->sg_nseg += second->sg_nseg - append;  in sglist_join()
914 	for (i = 0; i < original->sg_nseg; i++) {  in sglist_slice()
958 		if (sg->sg_nseg != 0)  in sglist_slice()
968 	sg->sg_nseg = count;  in sglist_slice()