bio_next_segment
if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {
if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {
if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all)))
if (!bio_next_segment(bio, &iter_all))
while (bio_next_segment(bio, &iter_all)) {
while (bio_next_segment(bio, &iter_all)) {
if (!bio_next_segment(bio, &iter_all)) {
if (!bio_next_segment(bio, &iter_all)) {
if (!bio_next_segment(bio, &iter_all)) {
for (bvl = bvec_init_iter_all(&iter); bio_next_segment((bio), &iter); )