> +static unsigned int get_bio_pages(struct bio *bio)
> +{
> + unsigned i;
> + struct bio_vec *bv;
> +
> + bio_for_each_segment_all(bv, bio, i)
> + ;
> +
> + return i;
> +}s/get_bio_pages/bio_nr_pages/ ? Also this seems like a useful helper for bio.h
