On Mon, 11 May 2020, Mickaël Salaün wrote: > diff --git a/include/linux/fs.h b/include/linux/fs.h > index 45cc10cdf6dd..2276642f8e05 100644 > --- a/include/linux/fs.h > +++ b/include/linux/fs.h > @@ -1517,6 +1517,11 @@ struct super_block { > /* Pending fsnotify inode refs */ > atomic_long_t s_fsnotify_inode_refs; > > +#ifdef CONFIG_SECURITY_LANDLOCK > + /* References to Landlock underlying objects */ > + atomic_long_t s_landlock_inode_refs; > +#endif > + This needs to be converted to the LSM API via superblock blob stacking. See Casey's old patch: https://lore.kernel.org/linux-security-module/20190829232935.7099-2-casey@schaufler-ca.com/ -- James Morris