At a glance, this looks reasonable.

Christoph Hellwig wrote:
> rpciod_running is not used at all, but due to the way DECLARE_MUTEX_LOCKED
> works we don't get a warning for it.
> 
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> 
> Index: linux-2.6/net/sunrpc/sched.c
> ===================================================================
> --- linux-2.6.orig/net/sunrpc/sched.c	2007-02-06 15:55:43.000000000 +0100
> +++ linux-2.6/net/sunrpc/sched.c	2007-02-06 15:55:45.000000000 +0100
> @@ -973,8 +973,6 @@
>  	spin_unlock(&rpc_sched_lock);
>  }
>  
> -static DECLARE_MUTEX_LOCKED(rpciod_running);
> -
>  static void rpciod_killall(void)
>  {
>  	unsigned long flags;