>> +bool bio_page_is_mergeable(const struct bio_vec *bv, struct page *page, >> + unsigned int len, unsigned int off, >> + bool *same_page) > >No bio involved here, just a bvec. But I don't really see the need >to rename it, just declare it in block/blk.h where f2fs has no chance >of ever seeing it. Oh. You are right. I will declare where you mentioned without changing the name. It's better. Best Regards, Jinyoung