From ea0ded748bdea78f9e2fefb571f7d6ce9edb4f89 Mon Sep 17 00:00:00 2001
From: Fred Isaman <iisaman@netapp.com>
Date: Wed, 15 Jun 2011 12:31:02 -0400
Subject: [PATCH] nfs4.1: prevent race that allowed use of freed layout in
 _pnfs_return_layout

mark_matching_lsegs_invalid could put the last ref to the layout, so
the get_layout_hdr needs to be called first.

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Reading git-format-patch failed