__bio_for_each_segment
__bio_for_each_segment(bv, bio, iter, start)
__bio_for_each_segment(bv, bio, iter, iter) {
__bio_for_each_segment(bv, bio, bviter, *saved_iter) {
__bio_for_each_segment(bv, bio, iter, iter) {
__bio_for_each_segment(bv, bio, iter, iter)
__bio_for_each_segment(bvec, bio, iter, start) {
__bio_for_each_segment(bv, bio, iter, dio->bio_details.bi_iter) {
__bio_for_each_segment(bv, bio, iter, dio->bio_details.bi_iter) {
__bio_for_each_segment(bvl, bio, iter, (bio)->bi_iter)
__bio_for_each_segment(bv, (it)->bio, __cur_iter, __cur_iter) \