tree 25d43875b8c539d080141479a0695ab1ff24965c
parent e6da7c9fed111ba1243297ee6eda8e24ae11c384
author Felix Blyakher <felixb@sgi.com> 1243880004 -0500
committer Felix Blyakher <felixb@sgi.com> 1243915185 -0500

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>