tree a97ec1b7e83b254e9b7179425e848d72cd6c3db3
parent cec765cf5891c7fc3d905832b481bfb6fd55825d
author Fred Isaman <iisaman@netapp.com> 1308005693 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1308151470 -0400

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>