xen/blkback: Get the 'requeust_queue' properly.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 18 Apr 2011 16:04:17 +0000 (12:04 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 18 Apr 2011 16:06:14 +0000 (12:06 -0400)
commit6fd17b5643bf05c29fc226a5aee96328056fca10
treeb7615c4f73da2d0a8d4a0574d6ae83aa540618ec
parente93504933ee6982bdc005fa5c24e1ea330faaf8b
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>
drivers/xen/blkback/blkback.c