From: Fred Isaman <iisaman@netapp.com>
Date: Mon, 13 Jun 2011 22:54:53 +0000 (-0400)
Subject: nfs4.1: fix several problems with _pnfs_return_layout
X-Git-Tag: v3.0-rc5~51^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2e1d4f2e5ed83850de92a491ef225824cb457bd;p=pandora-kernel.git

nfs4.1: fix several problems with _pnfs_return_layout

_pnfs_return_layout had the following problems:

- it did not call pnfs_free_lseg_list on all paths
- it unintentionally did a forgetful return when there was no outstanding io
- it raced with concurrent LAYOUTGETS

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