From 5aa2dc0a0697c762874241fa9ddbecd2d878b934 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 19 Jan 2009 02:03:25 +0100
Subject: [PATCH] xfs: add a lock class for group/project dquots

We can have both a user and a group/project dquot locked at the same time,
as long as the user dquot is locked first.  Tell lockdep about that fact
by making the group/project dquots a different lock class.

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