linux-kernel - Re: [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR

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Date:   Fri, 28 May 2021 09:33:34 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     bvanassche@....org, dledford@...hat.com,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR_*() macro

On Fri, May 28, 2021 at 08:30:39PM +0800, YueHaibing wrote:
> @@ -3040,22 +3040,22 @@ static ssize_t show_allow_ext_sg(struct device *dev,
>  	return sysfs_emit(buf, "%s\n", target->allow_ext_sg ? "true" : "false");
>  }
>  
> -static DEVICE_ATTR(id_ext,	    S_IRUGO, show_id_ext,	   NULL);
> -static DEVICE_ATTR(ioc_guid,	    S_IRUGO, show_ioc_guid,	   NULL);
> -static DEVICE_ATTR(service_id,	    S_IRUGO, show_service_id,	   NULL);
> -static DEVICE_ATTR(pkey,	    S_IRUGO, show_pkey,		   NULL);
> -static DEVICE_ATTR(sgid,	    S_IRUGO, show_sgid,		   NULL);
> -static DEVICE_ATTR(dgid,	    S_IRUGO, show_dgid,		   NULL);
> -static DEVICE_ATTR(orig_dgid,	    S_IRUGO, show_orig_dgid,	   NULL);
> -static DEVICE_ATTR(req_lim,         S_IRUGO, show_req_lim,         NULL);
> -static DEVICE_ATTR(zero_req_lim,    S_IRUGO, show_zero_req_lim,	   NULL);
> -static DEVICE_ATTR(local_ib_port,   S_IRUGO, show_local_ib_port,   NULL);
> -static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
> -static DEVICE_ATTR(ch_count,        S_IRUGO, show_ch_count,        NULL);
> -static DEVICE_ATTR(comp_vector,     S_IRUGO, show_comp_vector,     NULL);
> -static DEVICE_ATTR(tl_retry_count,  S_IRUGO, show_tl_retry_count,  NULL);
> -static DEVICE_ATTR(cmd_sg_entries,  S_IRUGO, show_cmd_sg_entries,  NULL);
> -static DEVICE_ATTR(allow_ext_sg,    S_IRUGO, show_allow_ext_sg,    NULL);
> +static DEVICE_ATTR_RO(id_ext);
> +static DEVICE_ATTR_RO(ioc_guid);
> +static DEVICE_ATTR_RO(service_id);
> +static DEVICE_ATTR_RO(pkey);
> +static DEVICE_ATTR_RO(sgid);
> +static DEVICE_ATTR_RO(dgid);
> +static DEVICE_ATTR_RO(orig_dgid);
> +static DEVICE_ATTR_RO(req_lim);
> +static DEVICE_ATTR_RO(zero_req_lim);
> +static DEVICE_ATTR_RO(local_ib_port);
> +static DEVICE_ATTR_RO(local_ib_device);
> +static DEVICE_ATTR_RO(ch_count);
> +static DEVICE_ATTR_RO(comp_vector);
> +static DEVICE_ATTR_RO(tl_retry_count);
> +static DEVICE_ATTR_RO(cmd_sg_entries);
> +static DEVICE_ATTR_RO(allow_ext_sg);

can you also organize this so the ATTR's are placed after their
functions, as is normal?

Thanks,
Jason