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(parent: eccc8f2) | patch
xfs: prevent deadlock in xfs_qm_shake()
authorFelix Blyakher <felixb@sgi.com>
Mon, 1 Jun 2009 18:13:24 +0000 (13:13 -0500)
committerFelix Blyakher <felixb@sgi.com>
Mon, 1 Jun 2009 18:13:24 +0000 (13:13 -0500)
commit92053a7845b0840332ed354c6895173929353b6f
treed69552f9eafbe62715366d7c9617259e7eeff672tree | snapshot
parenteccc8f25d000c9131c3bc3c030dd529ff4a9adbfcommit | diff
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>
fs/xfs/linux-2.6/kmem.h diff | blob | history
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