Re: [PATCH RESEND v2 08/10] block, bfq: remove unnecessary goto tag in bfq_dispatch_rq_from_bfqq

From: Jan Kara
Date: Mon Jan 02 2023 - 10:59:46 EST


On Fri 23-12-22 03:16:39, Kemeng Shi wrote:
> We jump to tag only for returning current rq. Return directly to
> remove this tag.
>
> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

One nit below.

> diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
> index 89995815dbae..195cdc6be087 100644
> --- a/block/bfq-iosched.c
> +++ b/block/bfq-iosched.c
> @@ -4965,7 +4965,7 @@ static struct request *bfq_dispatch_rq_from_bfqq(struct bfq_data *bfqd,
> bfq_dispatch_remove(bfqd->queue, rq);
>
> if (bfqq != bfqd->in_service_queue)
> - goto return_rq;
> + return rq;
>
> /*
> * If weight raising has to terminate for bfqq, then next
> @@ -4985,12 +4985,9 @@ static struct request *bfq_dispatch_rq_from_bfqq(struct bfq_data *bfqd,
> * belongs to CLASS_IDLE and other queues are waiting for
> * service.
> */
> - if (!(bfq_tot_busy_queues(bfqd) > 1 && bfq_class_idle(bfqq)))
> - goto return_rq;
> + if ((bfq_tot_busy_queues(bfqd) > 1 && bfq_class_idle(bfqq)))
^ unnecessary brace here

Honza

> + bfq_bfqq_expire(bfqd, bfqq, false, BFQQE_BUDGET_EXHAUSTED);
>
> - bfq_bfqq_expire(bfqd, bfqq, false, BFQQE_BUDGET_EXHAUSTED);
> -
> -return_rq:
> return rq;
> }
>
> --
> 2.30.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR