From: Owen Smith <owen.smith@citrix.com>
Date: Wed, 22 Dec 2010 15:05:00 +0000 (+0000)
Subject: xen: Union the blkif_request request specific fields
X-Git-Tag: v2.6.39-rc1~518^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51de69523ffe1c17994dc2f260369f29dfdce71c;p=pandora-kernel.git

xen: Union the blkif_request request specific fields

Prepare for extending the block device ring to allow request
specific fields, by moving the request specific fields for
reads, writes and barrier requests to a union member.

Acked-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Owen Smith <owen.smith@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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