On Tue, Jul 23, 2019 at 10:30:53PM -0700, Christoph Hellwig wrote: > On Tue, Jul 23, 2019 at 09:25:09PM -0700, john.hubbard@xxxxxxxxx wrote: > > From: John Hubbard <jhubbard@xxxxxxxxxx> > > > > In commit d241a95f3514 ("block: optionally mark pages dirty in > > bio_release_pages"), new "bool mark_dirty" argument was added to > > bio_release_pages. > > > > In upcoming work, another bool argument (to indicate that the pages came > > from get_user_pages) is going to be added. That's one bool too many, > > because it's not desirable have calls of the form: > > All pages releases by bio_release_pages should come from > get_get_user_pages, so I don't really see the point here. No they do not all comes from GUP for see various callers of bio_check_pages_dirty() for instance iomap_dio_zero() I have carefully tracked down all this and i did not do anyconvertion just for the fun of it :) Cheers, Jérôme