750  * entries for the first 'length' bytes of the 'original' list are
751  * stored in the '*head' list and are removed from 'original'.
762  * If 'original' is shared (refcount > 1), then EDOOFUS will be
766 sglist_split(struct sglist *original, struct sglist **head, size_t length,  in sglist_split()  argument
773 	if (original->sg_refs > 1)  in sglist_split()
780 	for (i = 0; i < original->sg_nseg; i++) {  in sglist_split()
781 		space += original->sg_segs[i].ss_len;  in sglist_split()
788 			 * 'original'.  in sglist_split()
812 	/* Copy 'count' entries to 'sg' from 'original'. */  in sglist_split()
813 	bcopy(original->sg_segs, sg->sg_segs, count *  in sglist_split()
819 	 * 'sg' and the new first entry in 'original'.  We also  in sglist_split()
821 	 * 'count - 1' segments from 'original' now.  in sglist_split()
826 		original->sg_segs[count].ss_paddr =  in sglist_split()
828 		original->sg_segs[count].ss_len = split;  in sglist_split()
831 	/* Trim 'count' entries from the front of 'original'. */  in sglist_split()
832 	original->sg_nseg -= count;  in sglist_split()
833 	bcopy(original->sg_segs + count, original->sg_segs, count *  in sglist_split()
883  * the logical range of the 'original' list to extract.  If that range
884  * is not a subset of the length of 'original', then EINVAL is
897 sglist_slice(struct sglist *original, struct sglist **slice, size_t offset,  in sglist_slice()  argument
914 	for (i = 0; i < original->sg_nseg; i++) {  in sglist_slice()
915 		space += original->sg_segs[i].ss_len;  in sglist_slice()
925 				    original->sg_segs[i].ss_len);  in sglist_slice()
963 	 * Copy over 'count' segments from 'original' starting at  in sglist_slice()
966 	bcopy(original->sg_segs + fseg, sg->sg_segs,  in sglist_slice()