diff --git a/fs/namespace.c b/fs/namespace.c
index 24488a4..af36e11 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -482,6 +482,7 @@
 
 static void free_vfsmnt(struct mount *mnt)
 {
+	kfree(mnt->mnt.data);
 	kfree(mnt->mnt_devname);
 	mnt_free_id(mnt);
 #ifdef CONFIG_SMP
@@ -698,11 +699,21 @@
 	if (!mnt)
 		return ERR_PTR(-ENOMEM);
 
+	mnt->mnt.data = NULL;
+	if (type->alloc_mnt_data) {
+		mnt->mnt.data = type->alloc_mnt_data();
+		if (!mnt->mnt.data) {
+			mnt_free_id(mnt);
+			free_vfsmnt(mnt);
+			return ERR_PTR(-ENOMEM);
+		}
+	}
 	if (flags & MS_KERNMOUNT)
 		mnt->mnt.mnt_flags = MNT_INTERNAL;
 
 	root = mount_fs(type, flags, name, data);
 	if (IS_ERR(root)) {
+		kfree(mnt->mnt.data);
 		free_vfsmnt(mnt);
 		return ERR_CAST(root);
 	}
@@ -729,6 +740,13 @@
 	if (!mnt)
 		return ERR_PTR(-ENOMEM);
 
+	if (sb->s_op->clone_mnt_data) {
+		mnt->mnt.data = sb->s_op->clone_mnt_data(old->mnt.data);
+		if (!mnt->mnt.data) {
+			goto out_free;
+		}
+	}
+
 	if (flag & (CL_SLAVE | CL_PRIVATE))
 		mnt->mnt_group_id = 0; /* not a peer of original */
 	else
@@ -774,6 +792,7 @@
 	return mnt;
 
  out_free:
+	kfree(mnt->mnt.data);
 	free_vfsmnt(mnt);
 	return ERR_PTR(err);
 }
@@ -1711,8 +1730,12 @@
 	down_write(&sb->s_umount);
 	if (flags & MS_BIND)
 		err = change_mount_flags(path->mnt, flags);
-	else
+	else {
 		err = do_remount_sb(sb, flags, data, 0);
+		br_write_lock(&vfsmount_lock);
+		propagate_remount(mnt);
+		br_write_unlock(&vfsmount_lock);
+	}
 	if (!err) {
 		br_write_lock(&vfsmount_lock);
 		mnt_flags |= mnt->mnt.mnt_flags & ~MNT_USER_SETTABLE_MASK;