On Sun, Nov 01, 2020 at 02:46:32PM +0000, Christoph Hellwig wrote: > > +static inline kuid_t kuid_into_mnt(struct user_namespace *to, kuid_t kuid) > > +{ > > +#ifdef CONFIG_IDMAP_MOUNTS > > + return make_kuid(to, __kuid_val(kuid)); > > +#else > > + return kuid; > > +#endif > > +} > > + > > +static inline kgid_t kgid_into_mnt(struct user_namespace *to, kgid_t kgid) > > +{ > > +#ifdef CONFIG_IDMAP_MOUNTS > > + return make_kgid(to, __kgid_val(kgid)); > > +#else > > + return kgid; > > +#endif > > If you want to keep the config option please at least have on > #ifdef/#else/#endif instead of this mess. Understood.