cfq-iosched: add message logging through blktrace
authorJens Axboe <jens.axboe@oracle.com>
Fri, 30 May 2008 10:23:07 +0000 (12:23 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Thu, 3 Jul 2008 11:21:12 +0000 (13:21 +0200)
Now that blktrace has the ability to carry arbitrary messages in
its stream, use that for some CFQ logging.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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