From ffcdc4c628e1a30489da10dd78358e89c823b341 Mon Sep 17 00:00:00 2001
From: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Date: Fri, 6 Sep 2024 16:34:52 +0200
Subject: fs/mnt_idmapping: introduce an invalid_mnt_idmap

Link: https://lore.kernel.org/linux-fsdevel/20240904-baugrube-erhoben-b3c1c49a2645@brauner/
Suggested-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
 include/linux/mnt_idmapping.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include')

diff --git a/include/linux/mnt_idmapping.h b/include/linux/mnt_idmapping.h
index cd4d5c8781f5..b1b219bc3422 100644
--- a/include/linux/mnt_idmapping.h
+++ b/include/linux/mnt_idmapping.h
@@ -9,6 +9,7 @@ struct mnt_idmap;
 struct user_namespace;
 
 extern struct mnt_idmap nop_mnt_idmap;
+extern struct mnt_idmap invalid_mnt_idmap;
 extern struct user_namespace init_user_ns;
 
 typedef struct {
-- 
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