The patch below does not apply to the 3.16-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From 2f3169fb18f4643ac9a6a097a6a6c71f0b2cef75 Mon Sep 17 00:00:00 2001
From: Fabian Frederick <[email protected]>
Date: Wed, 24 Sep 2014 18:56:11 +0200
Subject: [PATCH] nfs: fix duplicate proc entries

Commit 65b38851a174
("NFS: Fix /proc/fs/nfsfs/servers and /proc/fs/nfsfs/volumes")

updated the following function:
static int nfs_volume_list_open(struct inode *inode, struct file *file)

it used &nfs_server_list_ops instead of &nfs_volume_list_ops
which means cat /proc/fs/nfsfs/volumes = /proc/fs/nfsfs/servers

Signed-off-by: Fabian Frederick <[email protected]>
Fixes: 65b38851a174 (NFS: Fix /proc/fs/nfsfs/servers and...)
Cc: [email protected] # 3.4.x+
Signed-off-by: Trond Myklebust <[email protected]>

diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 6a4f3666e273..94088517039f 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1318,7 +1318,7 @@ static int nfs_server_list_show(struct seq_file *m, void 
*v)
  */
 static int nfs_volume_list_open(struct inode *inode, struct file *file)
 {
-       return seq_open_net(inode, file, &nfs_server_list_ops,
+       return seq_open_net(inode, file, &nfs_volume_list_ops,
                           sizeof(struct seq_net_private));
 }
 

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