From 080dda7f5e8e8df95bcd17a5345c276e365a2054 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 19 Jan 2009 02:03:11 +0100
Subject: [PATCH] xfs: add a separate lock class for the per-mount list of
 dquots

We can have both a a quota hash chain and the per-mount list locked at
the same time.  But given that both use the same struct dqhash as list
head we have to tell lockdep that they are different lock classes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
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