From 8f0d27dc5d77b084b2e2fe6d883c4d5776287842 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 20 Sep 2012 20:57:11 -0400
Subject: [PATCH] NFSv4.1: Balance pnfs_layout_hdr refcount in
 pnfs_layout_(insert|remove)_lseg

Ensure that the reference count for pnfs_layout_hdr reverts to the
original value after a call to pnfs_layout_remove_lseg().

Note that the caller is expected to hold a reference to the struct
pnfs_layout_hdr.

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