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cfq-iosched: never allow an async queue idling

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We don't enable it by default, don't let it get enabled during
runtime.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2007-04-19 14:32:26 +02:00 committed by Jens Axboe
parent 20e493a8d0
commit 1be92f2fc7
1 changed files with 6 additions and 1 deletions
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7
block/cfq-iosched.c
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@ -1603,7 +1603,12 @@ static void
cfq_update_idle_window(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct cfq_io_context *cic)
{
int enable_idle = cfq_cfqq_idle_window(cfqq);
int enable_idle;
if (!cfq_cfqq_sync(cfqq))
return;
enable_idle = cfq_cfqq_idle_window(cfqq);
if (!cic->ioc->task || !cfqd->cfq_slice_idle ||
(cfqd->hw_tag && CIC_SEEKY(cic)))