From: Jeff Layton <jlayton@redhat.com>
Date: Mon, 25 Mar 2013 11:59:57 +0000 (-0400)
Subject: nfs: allow the v4.1 callback thread to freeze
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~98^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25d280aad82e559cc7bc762410cd35ea5b98e294;p=pandora-kernel.git

nfs: allow the v4.1 callback thread to freeze

The v4.1 callback thread has set_freezable() at the top, but it doesn't
ever try to freeze within the loop. Have it call try_to_freeze() at the
top of the loop. If a freeze event occurs, recheck kthread_should_stop()
after thawing.

Reported-by: Yanchuan Nian <ycnian@gmail.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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