From c8da19b9866ea84e9ad1c369393ea95d54ee7845 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 11 Feb 2013 19:01:21 -0500
Subject: [PATCH] NFSv4.1: Fix an ABBA locking issue with session and state
 serialisation

Ensure that if nfs_wait_on_sequence() causes our rpc task to wait for
an NFSv4 state serialisation lock, then we also drop the session slot.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
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