From 4156e735d3abde8e9243b5d22f7999dd3fffab2e Mon Sep 17 00:00:00 2001
From: Felix Blyakher <felixb@sgi.com>
Date: Mon, 1 Jun 2009 13:13:24 -0500
Subject: [PATCH] xfs: prevent deadlock in xfs_qm_shake()

It's possible to recurse into filesystem from the memory
allocation, which deadlocks in xfs_qm_shake(). Add check
for __GFP_FS, and bail out if it is not set.

Signed-off-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Hedi Berriche <hedi@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
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Reading git-format-patch failed