On Thu, 10 Jan 2019, Dave Chinner wrote: > > Yeah, preadv2(RWF_NOWAIT) is in the same teritory as mincore(), it has > > "just" been overlooked. I can't speak for Daniel, but I believe he might > > be ok with rephrasing the above as "Restricting mincore() and RWF_NOWAIT > > is sufficient ...". > > Good luck with restricting RWF_NOWAIT. I eagerly await all the > fstests that exercise both the existing and new behaviours to > demonstrate they work correctly.
Well, we can still resurrect my original aproach of doing this opt-in based on a sysctl setting, and letting the admin choose his poison. If 'secure' mode is selected, RWF_NOWAIT will then probably just always fail wit EAGAIN. -- Jiri Kosina SUSE Labs
