From 65857d5768f7716da539933c2075d384b117812d Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Mon, 24 Sep 2012 13:49:27 -0400
Subject: [PATCH] NFSv4.1: _pnfs_return_layout() shouldn't invalidate the
 layout on failure

Failure of the layoutreturn allocation fails is not a good reason to
mark the pnfs_layout_hdr as having failed a layoutget or i/o. Just
exit cleanly.

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