On Wed, Jan 11, 2023 at 04:42:07PM +0000, Thomas Weißschuh wrote: > diff --git a/fs/nsfs.c b/fs/nsfs.c > index 3506f6074288..4d2644507364 100644 > --- a/fs/nsfs.c > +++ b/fs/nsfs.c > @@ -21,6 +21,7 @@ static long ns_ioctl(struct file *filp, unsigned int ioctl, > static const struct file_operations ns_file_operations = { > .llseek = no_llseek, > .unlocked_ioctl = ns_ioctl, > + .compat_ioctl = ns_ioctl, > }; Please disregard this patch. It was a resend of a wrong revision. The correct revision was v3 which I also resent. Sorry for the noise.