Commit e6ec4fe2 authored by Jens Axboe's avatar Jens Axboe
Browse files

cfq-iosched: fix bad return value cfq_should_preempt() 



Commit a6151c3a inadvertently reversed
a preempt condition check, potentially causing a performance regression.
Make the meta check correct again.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent 8c4db335

block/cfq-iosched.c

+1 −1
Original line number Diff line number Diff line
@@ -2051,7 +2051,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, 
	 * it's a metadata request and the current queue is doing regular IO.

	 */

	if (rq_is_meta(rq) && !cfqq->meta_pending)

		return false;

		return true;



	/*

	 * Allow an RT request to pre-empt an ongoing non-RT cfqq timeslice.