From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 12 Apr 2013 19:04:51 +0000 (-0400)
Subject: NFSv4: Fix handling of revoked delegations by setattr
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~98^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b570a975ed276335dc7d148658c1f880ac0a507f;p=pandora-kernel.git

NFSv4: Fix handling of revoked delegations by setattr

Currently, _nfs4_do_setattr() will use the delegation stateid if no
writeable open file stateid is available.
If the server revokes that delegation stateid, then the call to
nfs4_handle_exception() will fail to handle the error due to the
lack of a struct nfs4_state, and will just convert the error into
an EIO.

This patch just removes the requirement that we must have a
struct nfs4_state in order to invalidate the delegation and
retry.

Reported-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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