On Tue, Jan 24, 2023 at 02:41:33PM +0000, David Howells wrote: > Yes. Christoph insisted that the bio conversion patch be split up. That > means there's an interval where you can get FOLL_GET from that. The only place where we have both is in the block layer. It never gets set by bio_set_cleanup_mode. Instead we can just keep using put_page dirctly for the BIO_PAGE_REFFED case in the callers of bio_release_page and in bio_release_pages itself, and then do away with bio_to_gup_flags and bio_release_page entirely.