[PATCH] fs: namespace: Make to_mnt_ns() static

[Mao Wenan <maowenan@xxxxxxxxxx>]

Fix sparse warning:
fs/namespace.c:1735:22: warning: symbol 'to_mnt_ns' was not declared. Should it be static?

Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>
---
 fs/namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index c9cab30..b39a3ec 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1732,7 +1732,7 @@ static bool is_mnt_ns_file(struct dentry *dentry)
 	       dentry->d_fsdata == &mntns_operations;
 }
 
-struct mnt_namespace *to_mnt_ns(struct ns_common *ns)
+static struct mnt_namespace *to_mnt_ns(struct ns_common *ns)
 {
 	return container_of(ns, struct mnt_namespace, ns);
 }
-- 
2.7.4