On Sun, Sep 20, 2020 at 12:14:49PM -0700, Andy Lutomirski wrote: > I wonder if this is really quite cast in stone. We could also have > FMODE_SHITTY_COMPAT and set that when a file like this is *opened* in > compat mode. Then that particular struct file would be read and > written using the compat data format. The change would be > user-visible, but the user that would see it would be very strange > indeed. > > I don't have a strong opinion as to whether that is better or worse > than denying io_uring access to these things, but at least it moves > the special case out of io_uring. open could have happened through an io_uring thread a well, so I don't see how this would do anything but move the problem to a different place. > > --Andy ---end quoted text---