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cfq-iosched: fix bad return value cfq_should_preempt() 

Commit a6151c3a5c inadvertently reversed
a preempt condition check, potentially causing a performance regression.
Make the meta check correct again.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2009-11-03 20:21:35 +01:00
parent 8c4db3355b
commit e6ec4fe245
1 changed files with 1 additions and 1 deletions
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block/cfq-iosched.c
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@ -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. * it's a metadata request and the current queue is doing regular IO.
*/ */
if (rq_is_meta(rq) && !cfqq->meta_pending) 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. * Allow an RT request to pre-empt an ongoing non-RT cfqq timeslice.