diff options
| -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 3df41a0..03b1e47 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -885,16 +885,17 @@ static inline struct request *cfq_check_fifo(struct cfq_queue *cfqq) if (cfq_cfqq_fifo_expire(cfqq)) return NULL; + + cfq_mark_cfqq_fifo_expire(cfqq); + if (list_empty(&cfqq->fifo)) return NULL; fifo = cfq_cfqq_class_sync(cfqq); rq = rq_entry_fifo(cfqq->fifo.next); - if (time_after(jiffies, rq->start_time + cfqd->cfq_fifo_expire[fifo])) { - cfq_mark_cfqq_fifo_expire(cfqq); + if (time_after(jiffies, rq->start_time + cfqd->cfq_fifo_expire[fifo])) return rq; - } return NULL; } |