From: Peng Tao <tao.peng@primarydata.com>
Date: Tue, 22 Sep 2015 03:35:22 +0000 (+0800)
Subject: NFS41: make close wait for layoutreturn
X-Git-Tag: omap-for-v4.3/fixes-rc5~87^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=500d701f336b2771d34e46da7875a4782515a652;p=pandora-kernel.git

NFS41: make close wait for layoutreturn

If we send a layoutreturn asynchronously before close, the close
might reach server first and layoutreturn would fail with BADSTATEID
because there is nothing keeping the layout stateid alive.

Also do not pretend sending layoutreturn if we are not.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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