From: Mi Jinlong <mijinlong@cn.fujitsu.com>
Date: Thu, 14 Jul 2011 07:06:26 +0000 (+0800)
Subject: nfsd41: Deny new lock before RECLAIM_COMPLETE done
X-Git-Tag: v3.1-rc1~239^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab1350b2b3c1dd2e465a6abdda608d8c44facfb8;p=pandora-kernel.git

nfsd41: Deny new lock before RECLAIM_COMPLETE done

Before nfs41 client's RECLAIM_COMPLETE done, nfs server should deny any
new locks or opens.

rfc5661:

   " Whenever a client establishes a new client ID and before it does
   the first non-reclaim operation that obtains a lock, it MUST send a
   RECLAIM_COMPLETE with rca_one_fs set to FALSE, even if there are no
   locks to reclaim.  If non-reclaim locking operations are done before
   the RECLAIM_COMPLETE, an NFS4ERR_GRACE error will be returned. "

Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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