kernfs_ns_id
kernfs_ns_id(kernfs_info(dentry->d_sb)->ns) != kernfs_ns_id(kn->ns))
(kernfs_ns_id(kn->ns) == kernfs_ns_id(new_ns)) &&
u64 ns_id = kernfs_ns_id(ns);
else if (ns_id < kernfs_ns_id(pos->ns))
else if (ns_id > kernfs_ns_id(pos->ns))
kernfs_ns_id(pos->ns) != kernfs_ns_id(ns))) {
kernfs_ns_id(pos->ns) != kernfs_ns_id(ns)));
unsigned long hash = init_name_hash(kernfs_ns_id(ns));
u64 ns_id = kernfs_ns_id(ns);
u64 kn_ns_id = kernfs_ns_id(kn->ns);