diff options
| -rw-r--r-- | block/cfq-iosched.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 47abd24617b..2c1086acddf 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2392,8 +2392,9 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, if (cfq_class_idle(cfqq)) return true; - if (cfqd->serving_type == SYNC_NOIDLE_WORKLOAD - && new_cfqq->service_tree == cfqq->service_tree) + if (cfqd->serving_type == SYNC_NOIDLE_WORKLOAD && + cfqq_type(new_cfqq) == SYNC_NOIDLE_WORKLOAD && + new_cfqq->service_tree->count == 1) return true; /* |