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cfq: fix IOPRIO_CLASS_IDLE accounting
authorOleg Nesterov <oleg@tv-sign.ru>
Mon, 5 Nov 2007 07:58:05 +0000 (08:58 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 7 Nov 2007 08:45:00 +0000 (09:45 +0100)
Spotted by Nick <gentuu@gmail.com>, hopefully can explain the second trace in
http://bugzilla.kernel.org/show_bug.cgi?id=9180.

If ->async_idle_cfqq != NULL cfq_put_async_queues() puts it IOPRIO_BE_NR times
in a loop. Fix this.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/cfq-iosched.c patch | blob | history

diff --cc block/cfq-iosched.c
Simple merge
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