--- zzzz-none-000/linux-4.4.60/fs/nsfs.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/fs/nsfs.c	2021-02-04 17:41:59.000000000 +0000
@@ -95,7 +95,8 @@
 		return ERR_PTR(-ENOMEM);
 	}
 	d_instantiate(dentry, inode);
-	dentry->d_fsdata = (void *)ns_ops;
+	dentry->d_flags |= DCACHE_RCUACCESS;
+	dentry->d_fsdata = (void *)ns->ops;
 	d = atomic_long_cmpxchg(&ns->stashed, 0, (unsigned long)dentry);
 	if (d) {
 		d_delete(dentry);	/* make sure ->d_prune() does nothing */