From 2c887e2359f6e7217cdaa17994ca94ef328b658f Mon Sep 17 00:00:00 2001
From: KaiGai Kohei <kaigai@ak.jp.nec.com>
Date: Sat, 24 Jun 2006 09:16:50 +0900
Subject: [PATCH] [JFFS2][XATTR] Re-define xd->refcnt as atomic_t

In jffs2_release_xattr_datum(), it refers xd->refcnt to ensure
whether releasing xd is allowed or not.
But we can't hold xattr_sem since this function is called under
spin_lock(&c->erase_completion_lock). Thus we have to refer it
without any locking.

This patch redefine xd->refcnt as atomic_t. It enables to refer
xd->refcnt without any locking.

Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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