On Tue, Jan 24, 2023 at 06:37:17PM +0000, David Howells wrote: > Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > > > + WARN_ON_ONCE(bio_flagged(bio, BIO_PAGE_REFFED)); > > It's still set by fs/direct-io.c. But that should never end up in bio_release_page, only bio_release_pages.