sg_page_iter
__sg_page_iter_start(struct sg_page_iter *piter,
_sg_iter_next(struct sg_page_iter *iter)
__sg_page_iter_next(struct sg_page_iter *piter)
_sg_iter_init(struct scatterlist *sgl, struct sg_page_iter *iter,
struct sg_page_iter *__spi = (void *)(spi); \
sg_page_iter_page(struct sg_page_iter *piter)
struct sg_page_iter piter;
struct sg_page_iter iter;
struct sg_page_iter base;