From e262e32d6bde0f77fb0c95d977482fc872c51996 Mon Sep 17 00:00:00 2001
From: David Howells <dhowells@redhat.com>
Date: Thu, 1 Nov 2018 23:07:23 +0000
Subject: vfs: Suppress MS_* flag defs within the kernel unless explicitly
 enabled

Only the mount namespace code that implements mount(2) should be using the
MS_* flags.  Suppress them inside the kernel unless uapi/linux/mount.h is
included.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Howells <dhowells@redhat.com>
---
 fs/namespace.c | 1 +
 fs/pnode.c     | 1 +
 fs/super.c     | 1 +
 3 files changed, 3 insertions(+)

(limited to 'fs')

diff --git a/fs/namespace.c b/fs/namespace.c
index 98d27da43304..6ae784ece25c 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -26,6 +26,7 @@
 #include <linux/memblock.h>
 #include <linux/task_work.h>
 #include <linux/sched/task.h>
+#include <uapi/linux/mount.h>
 
 #include "pnode.h"
 #include "internal.h"
diff --git a/fs/pnode.c b/fs/pnode.c
index 53d411a371ce..1100e810d855 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -10,6 +10,7 @@
 #include <linux/mount.h>
 #include <linux/fs.h>
 #include <linux/nsproxy.h>
+#include <uapi/linux/mount.h>
 #include "internal.h"
 #include "pnode.h"
 
diff --git a/fs/super.c b/fs/super.c
index ca53a08497ed..6654de035893 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -35,6 +35,7 @@
 #include <linux/fsnotify.h>
 #include <linux/lockdep.h>
 #include <linux/user_namespace.h>
+#include <uapi/linux/mount.h>
 #include "internal.h"
 
 static int thaw_super_locked(struct super_block *sb);
-- 
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