From c5c3fb5f975a8bcc42cd039b83d9a4729ce489bb Mon Sep 17 00:00:00 2001
From: Kinglong Mee <kinglongmee@gmail.com>
Date: Wed, 26 Aug 2015 21:11:39 +0800
Subject: [PATCH] NFS: Make opened as optional argument in _nfs4_do_open

Check opened, only update it when non-NULL.
It's not needs define an unused value for the opened
when calling _nfs4_do_open.

v3, same as v2.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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