linux-kernel - Re: [PATCH 1/8] scsi: libsas: delete dead code in scsi_transport

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Message-ID: <764348f0-a581-2bba-a2ba-da71af0c91cf@huawei.com>
Date:   Thu, 31 May 2018 15:26:37 +0100
From:   John Garry <john.garry@...wei.com>
To:     Jason Yan <yanaijie@...wei.com>, <martin.petersen@...cle.com>,
        <jejb@...ux.vnet.ibm.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <zhaohongjiang@...wei.com>, <hare@...e.com>,
        <dan.j.williams@...el.com>, <jthumshirn@...e.de>, <hch@....de>,
        <huangdaode@...ilicon.com>, <chenxiang66@...ilicon.com>,
        <xiexiuqi@...wei.com>, <tj@...nel.org>, <miaoxie@...wei.com>,
        Ewan Milne <emilne@...hat.com>, Tomas Henzl <thenzl@...hat.com>
Subject: Re: [PATCH 1/8] scsi: libsas: delete dead code in
 scsi_transport_sas.c

On 29/05/2018 03:23, Jason Yan wrote:
> This code is dead and no clue implies that it will be back again.

I think PHY port identifier was dropped in 65c92b09acf0218b64f, and code 
below is just remnants.

>
> Signed-off-by: Jason Yan <yanaijie@...wei.com>
> CC: John Garry <john.garry@...wei.com>
> CC: Johannes Thumshirn <jthumshirn@...e.de>
> CC: Ewan Milne <emilne@...hat.com>
> CC: Christoph Hellwig <hch@....de>
> CC: Tomas Henzl <thenzl@...hat.com>
> CC: Dan Williams <dan.j.williams@...el.com>
> CC: Hannes Reinecke <hare@...e.com>

Reviewed-by: John Garry <john.garry@...wei.com>

> ---
>  drivers/scsi/scsi_transport_sas.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
> index 08acbabfae07..92d966e500d4 100644
> --- a/drivers/scsi/scsi_transport_sas.c
> +++ b/drivers/scsi/scsi_transport_sas.c
> @@ -623,7 +623,6 @@ sas_phy_protocol_attr(identify.target_port_protocols,
>  sas_phy_simple_attr(identify.sas_address, sas_address, "0x%016llx\n",
>  		unsigned long long);
>  sas_phy_simple_attr(identify.phy_identifier, phy_identifier, "%d\n", u8);
> -//sas_phy_simple_attr(port_identifier, port_identifier, "%d\n", int);
>  sas_phy_linkspeed_attr(negotiated_linkrate);
>  sas_phy_linkspeed_attr(minimum_linkrate_hw);
>  sas_phy_linkspeed_rw_attr(minimum_linkrate);
> @@ -1813,7 +1812,6 @@ sas_attach_transport(struct sas_function_template *ft)
>  	SETUP_PHY_ATTRIBUTE(device_type);
>  	SETUP_PHY_ATTRIBUTE(sas_address);
>  	SETUP_PHY_ATTRIBUTE(phy_identifier);
> -	//SETUP_PHY_ATTRIBUTE(port_identifier);
>  	SETUP_PHY_ATTRIBUTE(negotiated_linkrate);
>  	SETUP_PHY_ATTRIBUTE(minimum_linkrate_hw);
>  	SETUP_PHY_ATTRIBUTE_RW(minimum_linkrate);
>