diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/cfq-iosched.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 96f59ae5b6e9..f3f62394b986 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2151,10 +2151,11 @@ static struct cfq_queue *cfq_select_queue(struct cfq_data *cfqd) * have been idling all along on this queue and it should be * ok to wait for this request to complete. */ - if (cfqq->cfqg->nr_cfqq == 1 && cfqq->dispatched - && cfq_should_idle(cfqd, cfqq)) + if (cfqq->cfqg->nr_cfqq == 1 && RB_EMPTY_ROOT(&cfqq->sort_list) + && cfqq->dispatched && cfq_should_idle(cfqd, cfqq)) { + cfqq = NULL; goto keep_queue; - else + } else goto expire; } |