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Commit 67e6b49e authored by Jens Axboe's avatar Jens Axboe Committed by Jens Axboe
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cfq-iosched: slice offset should take ioprio into account 



Use the max_slice-cur_slice as the multipler for the insertion offset.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 498d3aa2

block/cfq-iosched.c

+2 −1
Original line number Diff line number Diff line
@@ -442,7 +442,8 @@ static unsigned long cfq_slice_offset(struct cfq_data *cfqd, 
	/*

	 * just an approximation, should be ok.

	 */

	return ((cfqd->busy_queues - 1) * cfq_prio_slice(cfqd, 1, 0));

	return (cfqd->busy_queues - 1) * (cfq_prio_slice(cfqd, 1, 0) -

		       cfq_prio_slice(cfqd, cfq_cfqq_sync(cfqq), cfqq->ioprio));

}



/*