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-rw-r--r--block/cfq-iosched.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index bf571b2b7d76..6aa5523f514c 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -693,9 +693,6 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
693 if (cfq_cfqq_wait_request(cfqq)) 693 if (cfq_cfqq_wait_request(cfqq))
694 del_timer(&cfqd->idle_slice_timer); 694 del_timer(&cfqd->idle_slice_timer);
695 695
696 if (!preempted && !cfq_cfqq_dispatched(cfqq))
697 cfq_schedule_dispatch(cfqd);
698
699 cfq_clear_cfqq_must_dispatch(cfqq); 696 cfq_clear_cfqq_must_dispatch(cfqq);
700 cfq_clear_cfqq_wait_request(cfqq); 697 cfq_clear_cfqq_wait_request(cfqq);
701 cfq_clear_cfqq_queue_new(cfqq); 698 cfq_clear_cfqq_queue_new(cfqq);
@@ -1102,8 +1099,10 @@ static void cfq_put_queue(struct cfq_queue *cfqq)
1102 BUG_ON(cfqq->allocated[READ] + cfqq->allocated[WRITE]); 1099 BUG_ON(cfqq->allocated[READ] + cfqq->allocated[WRITE]);
1103 BUG_ON(cfq_cfqq_on_rr(cfqq)); 1100 BUG_ON(cfq_cfqq_on_rr(cfqq));
1104 1101
1105 if (unlikely(cfqd->active_queue == cfqq)) 1102 if (unlikely(cfqd->active_queue == cfqq)) {
1106 __cfq_slice_expired(cfqd, cfqq, 0, 0); 1103 __cfq_slice_expired(cfqd, cfqq, 0, 0);
1104 cfq_schedule_dispatch(cfqd);
1105 }
1107 1106
1108 /* 1107 /*
1109 * it's on the empty list and still hashed 1108 * it's on the empty list and still hashed
@@ -1158,8 +1157,10 @@ static void cfq_free_io_context(struct io_context *ioc)
1158 1157
1159static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq) 1158static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq)
1160{ 1159{
1161 if (unlikely(cfqq == cfqd->active_queue)) 1160 if (unlikely(cfqq == cfqd->active_queue)) {
1162 __cfq_slice_expired(cfqd, cfqq, 0, 0); 1161 __cfq_slice_expired(cfqd, cfqq, 0, 0);
1162 cfq_schedule_dispatch(cfqd);
1163 }
1163 1164
1164 cfq_put_queue(cfqq); 1165 cfq_put_queue(cfqq);
1165} 1166}
@@ -1565,7 +1566,6 @@ cfq_update_idle_window(struct cfq_data *cfqd, struct cfq_queue *cfqq,
1565 cfq_clear_cfqq_idle_window(cfqq); 1566 cfq_clear_cfqq_idle_window(cfqq);
1566} 1567}
1567 1568
1568
1569/* 1569/*
1570 * Check if new_cfqq should preempt the currently active queue. Return 0 for 1570 * Check if new_cfqq should preempt the currently active queue. Return 0 for
1571 * no or if we aren't sure, a 1 will cause a preempt. 1571 * no or if we aren't sure, a 1 will cause a preempt.