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block, bfq: remove useless checking in bfq_put_queue() 

'bfqq->bfqd' is ensured to set in bfq_init_queue(), and it will never
change afterwards.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220816015631.1323948-3-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai 2022-08-16 09:56:30 +08:00 committed by Jens Axboe
parent c2090eabac
commit 1e3cc2125d
1 changed files with 2 additions and 4 deletions
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6
block/bfq-iosched.c
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@ -5255,9 +5255,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
struct hlist_node *n;
struct bfq_group *bfqg = bfqq_group(bfqq);
if (bfqq->bfqd)
bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d",
bfqq, bfqq->ref);
bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d", bfqq, bfqq->ref);
bfqq->ref--;
if (bfqq->ref)
@ -5321,7 +5319,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
hlist_del_init(&item->woken_list_node);
}
if (bfqq->bfqd && bfqq->bfqd->last_completed_rq_bfqq == bfqq)
if (bfqq->bfqd->last_completed_rq_bfqq == bfqq)
bfqq->bfqd->last_completed_rq_bfqq = NULL;
kmem_cache_free(bfq_pool, bfqq);