From: Roger Pau Monne <roger.pau@citrix.com>
Date: Mon, 2 Feb 2015 11:28:21 +0000 (+0000)
Subject: xen-blkfront: fix accounting of reqs when migrating
X-Git-Tag: fixes-v4.0-rc1~117^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3bb8c98e5612f069010ad04e5f463389e2eb6563;p=pandora-kernel.git

xen-blkfront: fix accounting of reqs when migrating

Current migration code uses blk_put_request in order to finish a request
before requeuing it. This function doesn't update the statistics of the
queue, which completely screws accounting. Use blk_end_request_all instead
which properly updates the statistics of the queue.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reported-and-Tested-by: Ouyang Zhaowei (Charles) <ouyangzhaowei@huawei.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: xen-devel@lists.xenproject.org
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