From c244bb50a9baa2ec47a458bbafb36b5e559ed5fa Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Tue, 8 Dec 2009 17:52:57 -0500
Subject: [PATCH] cfq-iosched: Get rid of cfqq wait_busy_done flag

o Get rid of wait_busy_done flag. This flag only tells we were doing wait
  busy on a queue and that queue got request so expire it. That information
  can easily be obtained by (cfq_cfqq_wait_busy() && queue_is_not_empty). So
  remove this flag and keep code simple.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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