From: David Vrabel <david.vrabel@citrix.com>
Date: Thu, 29 Sep 2011 15:53:30 +0000 (+0100)
Subject: block: xen-blkback: use API provided by xenbus module to map rings
X-Git-Tag: v3.2-rc1~30^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d073846b891c3f49c4ea03c5db3ac92f92742f1;p=pandora-kernel.git

block: xen-blkback: use API provided by xenbus module to map rings

The xenbus module provides xenbus_map_ring_valloc() and
xenbus_map_ring_vfree().  Use these to map the ring pages granted by
the frontend.

Acked-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

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