From: Felix Blyakher <felixb@sgi.com>
Date: Mon, 1 Jun 2009 18:13:24 +0000 (-0500)
Subject: xfs: prevent deadlock in xfs_qm_shake()
X-Git-Tag: v2.6.30-rc8~5^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b17d766463d51904cb242f194a780737e5f73ef;p=pandora-kernel.git

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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