On Mon, Nov 19, 2018 at 9:21 PM Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> wrote: > > A better way to do F_SEAL_FUTURE_WRITE seal was discussed [1] last week > where we don't need to modify core VFS structures to get the same > behavior of the seal. This solves several side-effects pointed out by > Andy [2]. > > [1] https://lore.kernel.org/lkml/20181111173650.GA256781@xxxxxxxxxx/ > [2] https://lore.kernel.org/lkml/69CE06CC-E47C-4992-848A-66EB23EE6C74@xxxxxxxxxxxxxx/ > > Suggested-by: Andy Lutomirski <luto@xxxxxxxxxx> > Fixes: 5e653c2923fd ("mm: Add an F_SEAL_FUTURE_WRITE seal to memfd") What tree is that commit in? Can we not just fold this in?