On Fri, Jun 16, 2017 at 03:53:30PM +0100, David Howells wrote: > Christoph Hellwig <h...@infradead.org> wrote: > > > It might be good to just introduce the internal flags field first, > > Internal flags field? Did you mean Al's suggested sb_readonly() wrapper?
(1) Add a new SB field that is like s_flags but for the new flags, (2) switch users over to the new field (3) remove s_flags
