On Tue, Nov 10, 2020 at 09:32:53PM +0000, Al Viro wrote: > AFAICS, not all callers want that semantics, but I think it's worth > a new primitive. I'm not saying it should be a prereq for your > series, but either that or an explicit iov_iter_revert() is needed. Seeing that it already went into mainline, it needs a followup fix. And since it's not -stable fodder (AFAICS), I'd rather go with adding a new primitive...