is_blk_wrapped
if (!is_blk_wrapped(data_ring, begin_lpos, next_lpos))
if (is_blk_wrapped(data_ring, begin_lpos, next_lpos)) {
wrapped = is_blk_wrapped(data_ring, blk_lpos->begin, blk_lpos->next);
if (is_blk_wrapped(data_ring, blk_lpos->begin, next_lpos)) {
if (!is_blk_wrapped(data_ring, blk_lpos->begin, blk_lpos->next)) {
if (!is_blk_wrapped(data_ring, blk_lpos->begin, blk_lpos->next)) {
} else if (!is_blk_wrapped(data_ring,