netdev - Re: [RFC PATCH net-next v5 2/9] net/smc: Decouple ism

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Date:   Fri, 28 Apr 2023 16:40:38 +0200
From:   Simon Horman <simon.horman@...igine.com>
To:     Wen Gu <guwen@...ux.alibaba.com>
Cc:     kgraul@...ux.ibm.com, wenjia@...ux.ibm.com, jaka@...ux.ibm.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH net-next v5 2/9] net/smc: Decouple ism_dev from SMC-D
 DMB registration

On Sun, Apr 23, 2023 at 08:17:44PM +0800, Wen Gu wrote:
> This patch tries to decouple ISM device from SMC-D DMB registration,
> So that the register_dmb option is not restricted to be used by ISM
> device.
> 
> Signed-off-by: Wen Gu <guwen@...ux.alibaba.com>
> ---
>  drivers/s390/net/ism_drv.c | 5 +++--
>  include/net/smc.h          | 4 ++--
>  net/smc/smc_ism.c          | 7 ++-----
>  3 files changed, 7 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
> index 8acb9eb..5eeb54d 100644
> --- a/drivers/s390/net/ism_drv.c
> +++ b/drivers/s390/net/ism_drv.c
> @@ -796,9 +796,10 @@ static int smcd_query_rgid(struct smcd_dev *smcd, u64 rgid, u32 vid_valid,
>  }
>  
>  static int smcd_register_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb,
> -			     struct ism_client *client)
> +			     void *client_priv)
>  {
> -	return ism_register_dmb(smcd->priv, (struct ism_dmb *)dmb, client);
> +	return ism_register_dmb(smcd->priv, (struct ism_dmb *)dmb,
> +				(struct ism_client *)client_priv);

Hi Wen Gu,

a minor nit from my side: there is no need to cast a void pointer to
another type.

>  }
>  
>  static int smcd_unregister_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb)

...