On Wed, Mar 30, 2022 at 06:08:16PM +0200, Christoph Hellwig wrote: > On Wed, Mar 30, 2022 at 06:04:48PM +0200, Christian Brauner wrote: > > > This probably wants a Fixes tag, as without it NFS exporting idmapped > > > file will give slightly unexpected results. > > > > I made it so that the nfs kernel server will refuse to be mounted on top > > of idmapped mounts in check_export() similar to what I did originally do > > for overlayfs. It's unclear what the Fixes: tag would be so I'll just Cc > > stable. > > So knfsd is fine, and the handle_to_name syscall doesn't ever do the > equivalent of the subtree check. So with that we probably don't need > a Fixes tag - sorry for the noise. No worries, thank you for taking a close look!
