for_each_sg_page(st->sgl, &sg_iter, st->nents, 0)
for_each_sg_page(st->sgl, &sg_iter, st->orig_nents, 0)
Would it make sense to also add a for_each_sgtable_page helper that hides the use of orig_nents? To be used like:
for_each_sgtable_page(st, &sg_iter, 0) {
- for_each_sg(sgt->sgl, sg, sgt->orig_nents, count) {
Same here, e.g.
for_each_sgtable_entry(sgt, sg, count) {
?