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Commit 1be92f2f authored by Jens Axboe's avatar Jens Axboe Committed by Jens Axboe
Browse files

cfq-iosched: never allow an async queue idling 



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

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 20e493a8

block/cfq-iosched.c

+6 −1
Original line number Diff line number Diff line
@@ -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)))