From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Mon, 18 Apr 2011 16:04:17 +0000 (-0400)
Subject: xen/blkback: Get the 'requeust_queue' properly.
X-Git-Tag: v3.0-rc1~162^2~16^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6fd17b5643bf05c29fc226a5aee96328056fca10;p=pandora-kernel.git

xen/blkback: Get the 'requeust_queue' properly.

After the commit 0faa8cca883bbc6a0919e3c89128672659b75820
("    xen/blkback: remove per-queue plugging") we forgot
to retrieve the 'struct request_queue' from the block device.

This puts the functionality back in and fixes a NULL pointer
bug.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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