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-rw-r--r--block/cfq-iosched.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index c72e5acc573d..5ff4f4850e71 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2560,15 +2560,10 @@ static void cfq_free_io_context(struct io_context *ioc)
2560 __call_for_each_cic(ioc, cic_free_func); 2560 __call_for_each_cic(ioc, cic_free_func);
2561} 2561}
2562 2562
2563static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq) 2563static void cfq_put_cooperator(struct cfq_queue *cfqq)
2564{ 2564{
2565 struct cfq_queue *__cfqq, *next; 2565 struct cfq_queue *__cfqq, *next;
2566 2566
2567 if (unlikely(cfqq == cfqd->active_queue)) {
2568 __cfq_slice_expired(cfqd, cfqq, 0);
2569 cfq_schedule_dispatch(cfqd);
2570 }
2571
2572 /* 2567 /*
2573 * If this queue was scheduled to merge with another queue, be 2568 * If this queue was scheduled to merge with another queue, be
2574 * sure to drop the reference taken on that queue (and others in 2569 * sure to drop the reference taken on that queue (and others in
@@ -2584,6 +2579,16 @@ static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq)
2584 cfq_put_queue(__cfqq); 2579 cfq_put_queue(__cfqq);
2585 __cfqq = next; 2580 __cfqq = next;
2586 } 2581 }
2582}
2583
2584static void cfq_exit_cfqq(struct cfq_data *cfqd, struct cfq_queue *cfqq)
2585{
2586 if (unlikely(cfqq == cfqd->active_queue)) {
2587 __cfq_slice_expired(cfqd, cfqq, 0);
2588 cfq_schedule_dispatch(cfqd);
2589 }
2590
2591 cfq_put_cooperator(cfqq);
2587 2592
2588 cfq_put_queue(cfqq); 2593 cfq_put_queue(cfqq);
2589} 2594}
@@ -3536,6 +3541,9 @@ split_cfqq(struct cfq_io_context *cic, struct cfq_queue *cfqq)
3536 } 3541 }
3537 3542
3538 cic_set_cfqq(cic, NULL, 1); 3543 cic_set_cfqq(cic, NULL, 1);
3544
3545 cfq_put_cooperator(cfqq);
3546
3539 cfq_put_queue(cfqq); 3547 cfq_put_queue(cfqq);
3540 return NULL; 3548 return NULL;
3541} 3549}