On Tue, Dec 01, 2020 at 11:50:25AM +0100, Christoph Hellwig wrote: > The READ_ONCE still looks suspect as it generally needs to be paired > with a WRITE_ONCE. The rest looks sane to me. I think the READ_ONCE() can be dropped from this patch. At this point in the series we don't allowing changing the vfsmount's userns. The infra to do that is only introduced as almost the last patch in the series and there we immediately use smp_load_acquire() and smp_store_release(). Thanks! Christian
