linux-kernel - Re: [PATCH -next] brd: make symbol rd

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Message-ID: <0a1d6cbb-6797-e295-0d9c-7e814c1ebb21@gmail.com>
Date:   Sun, 30 Oct 2016 20:40:12 +0800
From:   Wei Yongjun <weiyj.lk@...il.com>
To:     Jens Axboe <axboe@...nel.dk>, Jan Kara <jack@...e.cz>
Cc:     Wei Yongjun <weiyongjun1@...wei.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] brd: make symbol rd_size static

On 10/30/2016 11:57 AM, Jens Axboe wrote:
> On 10/29/2016 10:10 AM, Wei Yongjun wrote:
>> From: Wei Yongjun <weiyongjun1@...wei.com>
>>
>> Fixes the following sparse warning:
>>
>> drivers/block/brd.c:411:15: warning:
>>  symbol 'rd_size' was not declared. Should it be static?
>
> We just tried this, it's used in arm:
>
> arch/arm/kernel/atags_parse.c
>
> static int __init parse_tag_ramdisk(const struct tag *tag)
> {
>         extern int rd_size, rd_image_start, rd_prompt, rd_doload;
> [...]
>
Oh, yeah, got it.

Thank you very much.

Regards,
Yongjun Wei