[PATCH v7 12/13] ext4: switch to multigrain timestamps

[Christian Brauner]

> I don't, actually. I'm just mentioning that it's possible if we find the
> mount option to be unpalatable.

Ok.

> 
> > @Jan, what do you think?
> > 
> > > My plan was to take a stab at doing this for a later kernel release.
> > 
> > Ok.
> 
> If it works out, then we may be able to eventually remove the mount
> option, but that is a separate project altogether.

It would just become a nop for anyone setting it which is fine by me.