On Mon, Aug 09, 2021 at 12:52:35PM +0100, Pavel Begunkov wrote: > For the bug description see 2/2. As mentioned there the current problems > is because of generic_write_checks(), but there was also a similar case > fixed in 5.12, which should have been triggerable by normal > write(2)/read(2) and others. > > It may be better to enforce reexpands as a long term solution, but for > now this patchset is quickier and easier to backport. Umm... Won't that screw the cases where we *are* doing proper reexpands? AFAICS, with your patches that flag doesn't go away once it had been set...
