Re: [PATCH RESEND v2 04/10] block, bfq: use helper macro RQ_BFQQ to get bfqq of request

From: Jan Kara
Date: Mon Jan 02 2023 - 10:31:55 EST


On Fri 23-12-22 03:16:35, Kemeng Shi wrote:
> Use helper macro RQ_BFQQ to get bfqq of request.
>
> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>

Yeah, why not. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

Honza

> ---
> block/bfq-iosched.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
> index 9441fc98961a..c3c4c83ee95f 100644
> --- a/block/bfq-iosched.c
> +++ b/block/bfq-iosched.c
> @@ -6683,14 +6683,14 @@ static struct bfq_queue *bfq_init_rq(struct request *rq)
> return NULL;
>
> /*
> - * Assuming that elv.priv[1] is set only if everything is set
> + * Assuming that RQ_BFQQ(rq) is set only if everything is set
> * for this rq. This holds true, because this function is
> * invoked only for insertion or merging, and, after such
> * events, a request cannot be manipulated any longer before
> * being removed from bfq.
> */
> - if (rq->elv.priv[1])
> - return rq->elv.priv[1];
> + if (RQ_BFQQ(rq))
> + return RQ_BFQQ(rq);
>
> bic = icq_to_bic(rq->elv.icq);
>
> --
> 2.30.0
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR