On Tue, Jan 12, 2021 at 11:01:11PM +0100, Christian Brauner wrote: > Enable generic ioctls to handle idmapped mounts by passing down the > mount's user namespace. If the initial user namespace is passed nothing > changes so non-idmapped mounts will see identical behavior as before. Looks good, although file_permission would help here as well.. Reviewed-by: Christoph Hellwig <hch@xxxxxx>