From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Tue, 26 Aug 2014 02:33:12 +0000 (-0400)
Subject: NFSv4: Fix problems with close in the presence of a delegation
X-Git-Tag: omap-fixes-against-v3.17-rc3~23^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aee7af356e151494d5014f57b33460b162f181b5;p=pandora-kernel.git

NFSv4: Fix problems with close in the presence of a delegation

In the presence of delegations, we can no longer assume that the
state->n_rdwr, state->n_rdonly, state->n_wronly reflect the open
stateid share mode, and so we need to calculate the initial value
for calldata->arg.fmode using the state->flags.

Reported-by: James Drews <drews@engr.wisc.edu>
Fixes: 88069f77e1ac5 (NFSv41: Fix a potential state leakage when...)
Cc: stable@vger.kernel.org # 2.6.33+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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