From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Date: Mon, 1 Nov 2010 18:32:27 +0000 (-0400)
Subject: xen/blkfront: map REQ_FLUSH into a full barrier
X-Git-Tag: v2.6.37-rc4~22^2~4^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c64e38ea17a81721da0393584fd807f8434050fa;p=pandora-kernel.git

xen/blkfront: map REQ_FLUSH into a full barrier

Implement a flush as a full barrier, since we have nothing weaker.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Christoph Hellwig <hch@lst.de>
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