blkdev: allow async blkdev_issue_flush requests
authorDmitry Monakhov <dmonakhov@openvz.org>
Wed, 28 Apr 2010 13:55:07 +0000 (17:55 +0400)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 28 Apr 2010 17:47:36 +0000 (19:47 +0200)
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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