1 files changed, 9 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index bbe94096e262..d3665d025acb 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -4674,6 +4674,15 @@ SYSCALL_DEFINE5(mount_setattr, int, dfd, const char __user *, path,
 	return err;
 }
 
+int show_path(struct seq_file *m, struct dentry *root)
+{
+	if (root->d_sb->s_op->show_path)
+		return root->d_sb->s_op->show_path(m, root);
+
+	seq_dentry(m, root, " \t\n\\");
+	return 0;
+}
+
 static void __init init_mount_tree(void)
 {
 	struct vfsmount *mnt;