From 7b679138b3237a9a3d45a4fda23a58ac79cd279c Mon Sep 17 00:00:00 2001
From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 30 May 2008 12:23:07 +0200
Subject: [PATCH] cfq-iosched: add message logging through blktrace

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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