From ee314c2a35ee7ea7ffa72e2aca83b041138f3358 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 1 Oct 2012 17:25:48 -0700
Subject: [PATCH] NFSv4.1: Handle BAD_STATEID and EXPIRED errors in layoutget

If the layoutget call returns a stateid error, we want to invalidate the
layout stateid, and/or recover the open stateid.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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