From f17e232e9237c231daf9f0f4b177c61218bcb2e4 Mon Sep 17 00:00:00 2001
From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Wed, 28 Apr 2010 17:55:07 +0400
Subject: [PATCH] blkdev: allow async blkdev_issue_flush requests

In some places caller don't want to wait a request to complete.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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Reading git-format-patch failed