From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Tue, 1 Mar 2011 21:22:28 +0000 (-0500)
Subject: xen/blkback: Union the blkif_request request specific fields
X-Git-Tag: v3.0-rc1~162^2~16^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c35950bfa9abaaf16548a287a8d5d782a361414f;p=pandora-kernel.git

xen/blkback: Union the blkif_request request specific fields

Following in the steps of patch:
"xen: Union the blkif_request request specific fields" this patch
changes the blkback. Per the original patch:

"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."

Cc: Owen Smith <owen.smith@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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