From: Christoph Hellwig <hch@lst.de>
Date: Thu, 12 Feb 2009 18:56:00 +0000 (+0100)
Subject: xfs: reject swapext ioctl on swapfiles
X-Git-Tag: v2.6.30-rc1~232^2~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c8f7af67de19a7ae33a6fc06764771265b0cc56;p=pandora-kernel.git

xfs: reject swapext ioctl on swapfiles

Swapfiles are magic - I/O is directly initialized by the VM without
involving the filesystem.  Swapping out extents underneath the VM thus
can cause severe problems.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
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