From 5f50c0c6d644d6c8180d9079c13c5d9de3adeb34 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 1 Apr 2008 20:26:22 -0400
Subject: [PATCH] NLM/lockd: Fix a race when cancelling a blocking lock

We shouldn't remove the lock from the list of blocked locks until the
CANCEL call has completed since we may be racing with a GRANTED callback.

Also ensure that we send an UNLOCK if the CANCEL request failed. Normally
that should only happen if the process gets hit with a fatal signal.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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