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bfq-iosched: don't call bfqg_and_blkg_put for !CONFIG_BFQ_GROUP_IOSCHED

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It's not available if we don't have group io scheduling set, and
there's no need to call it.

Fixes: 0d52af5905 ("block, bfq: release oom-queue ref to root group on exit")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2018-01-09 12:20:51 -07:00
parent 3609c471a1
commit 8abef10b3d
1 changed files with 1 additions and 1 deletions
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2
block/bfq-iosched.c
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@ -4893,10 +4893,10 @@ static void bfq_exit_queue(struct elevator_queue *e)
hrtimer_cancel(&bfqd->idle_slice_timer); hrtimer_cancel(&bfqd->idle_slice_timer);
#ifdef CONFIG_BFQ_GROUP_IOSCHED
/* release oom-queue reference to root group */ /* release oom-queue reference to root group */
bfqg_and_blkg_put(bfqd->root_group); bfqg_and_blkg_put(bfqd->root_group);
#ifdef CONFIG_BFQ_GROUP_IOSCHED
blkcg_deactivate_policy(bfqd->queue, &blkcg_policy_bfq); blkcg_deactivate_policy(bfqd->queue, &blkcg_policy_bfq);
#else #else
spin_lock_irq(&bfqd->lock); spin_lock_irq(&bfqd->lock);