From 8383f1748829e1a6a07988863ed13a47fb653387 Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il@gmail.com>
Date: Mon, 2 Oct 2017 11:31:42 +0300
Subject: [PATCH] ovl: wire up NFS export operations

Now that NFS export operations are implemented, enable overlayfs NFS
export support if the "nfs_export" feature is enabled.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
 fs/overlayfs/super.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index fccdcfae68e93..9ee37c76091d6 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1331,6 +1331,9 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 		}
 	}
 
+	if (ofs->config.nfs_export)
+		sb->s_export_op = &ovl_export_operations;
+
 	/* Never override disk quota limits or use reserved space */
 	cap_lower(cred->cap_effective, CAP_SYS_RESOURCE);
 
-- 
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