linux-kernel - Re: [PATCH net-next v5 2/9] net/smc: introduce sub-functions for smc_clc_send_confirm

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Message-ID: <4ad3a168-f506-fc21-582d-fe8764f404c0@linux.alibaba.com>
Date:   Sat, 9 Dec 2023 10:50:32 +0800
From:   Wen Gu <guwen@...ux.alibaba.com>
To:     wintera@...ux.ibm.com, wenjia@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, agordeev@...ux.ibm.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        kgraul@...ux.ibm.com, jaka@...ux.ibm.com
Cc:     borntraeger@...ux.ibm.com, svens@...ux.ibm.com,
        alibuda@...ux.alibaba.com, tonylu@...ux.alibaba.com,
        raspl@...ux.ibm.com, schnelle@...ux.ibm.com,
        guangguan.wang@...ux.alibaba.com, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v5 2/9] net/smc: introduce sub-functions for
 smc_clc_send_confirm_accept()



On 2023/12/8 15:40, Wen Gu wrote:

> There is a large if-else block in smc_clc_send_confirm_accept() and it
> is better to split it into two sub-functions.
> 
> Suggested-by: Alexandra Winter <wintera@...ux.ibm.com>
> Signed-off-by: Wen Gu <guwen@...ux.alibaba.com>
> ---
>   net/smc/smc_clc.c | 196 +++++++++++++++++++++++++++++++-----------------------
>   1 file changed, 114 insertions(+), 82 deletions(-)
> 
> diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
> index 0fcb035..52b4ea9 100644
> --- a/net/smc/smc_clc.c
> +++ b/net/smc/smc_clc.c
> @@ -998,6 +998,111 @@ int smc_clc_send_proposal(struct smc_sock *smc, struct smc_init_info *ini)
>   	return reason_code;
>   }
>   
> +static void smcd_clc_prep_confirm_accept(struct smc_connection *conn,
> +				struct smc_clc_msg_accept_confirm_v2 *clc_v2,

checkpatch will complain 'Alignment should match open parenthesis' here.
But in order to make the length less than 80 columns, there seems to be
no other good way.

> +				int first_contact, u8 version,
> +				u8 *eid, struct smc_init_info *ini,
> +				int *fce_len,
> +				struct smc_clc_first_contact_ext_v2x *fce_v2x,
> +				struct smc_clc_msg_trail *trl)
> +{
<...>

> +
> +static void smcr_clc_prep_confirm_accept(struct smc_connection *conn,
> +				struct smc_clc_msg_accept_confirm_v2 *clc_v2,

And here.

> +				int first_contact, u8 version,
> +				u8 *eid, struct smc_init_info *ini,
> +				int *fce_len,
> +				struct smc_clc_first_contact_ext_v2x *fce_v2x,
> +				struct smc_clc_fce_gid_ext *gle,
> +				struct smc_clc_msg_trail *trl)
> +{
<...>