Prepare to decrease 'num_groups_with_pending_reqs' earlier. Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> --- block/bfq-iosched.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index e3c31db4bffb..4239b3996e23 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -882,6 +882,10 @@ void bfq_weights_tree_remove(struct bfq_data *bfqd, { struct bfq_entity *entity = bfqq->entity.parent; + bfqq->ref++; + __bfq_weights_tree_remove(bfqd, bfqq, + &bfqd->queue_weights_tree); + for_each_entity(entity) { struct bfq_sched_data *sd = entity->my_sched_data; @@ -916,14 +920,7 @@ void bfq_weights_tree_remove(struct bfq_data *bfqd, } } - /* - * Next function is invoked last, because it causes bfqq to be - * freed if the following holds: bfqq is not in service and - * has no dispatched request. DO NOT use bfqq after the next - * function invocation. - */ - __bfq_weights_tree_remove(bfqd, bfqq, - &bfqd->queue_weights_tree); + bfq_put_queue(bfqq); } /* -- 2.31.1