linux-kernel - Re: [PATCH v2] staging: erofs: add SPDX identifer

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Message-ID: <c65f81ba-a411-1444-effc-7b8cfb0b53b1@huawei.com>
Date:   Mon, 8 Oct 2018 23:02:10 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     loïc tourlonias <loic.tourlonias@...il.com>
CC:     <gregkh@...uxfoundation.org>, <devel@...verdev.osuosl.org>,
        <linux-erofs@...ts.ozlabs.org>, <yuchao0@...wei.com>,
        <loic.tourlonias.lkml@...il.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] staging: erofs: add SPDX identifer

Hi Loic,

On 2018/10/8 23:00, loïc tourlonias wrote:
> Hi Gao,
> On Mon, Oct 8, 2018 at 4:48 PM Gao Xiang <gaoxiang25@...wei.com> wrote:
>>
>> Hi Greg,
>>
>> On 2018/10/8 22:43, Greg Kroah-Hartman wrote:
>>> On Mon, Oct 08, 2018 at 10:36:39PM +0800, Gao Xiang wrote:
>>>> Hi Greg,
>>>>
>>>> On 2018/10/8 22:22, Greg Kroah-Hartman wrote:
>>>>> Why delete that line?
>>>>>
>>>>> But wait, why do we even have this file at all?  What's wrong with the
>>>>> lib/lz4/ code that we have in the kernel today?  Shouldn't the code
>>>>> using these files be moved over to use the lib/ code instead and this
>>>>> file be deleted?
>>>>
>>>> EROFS uses customized LZ4 decompression code for now (which has been offically
>>>> supported in lz4 1.8.3, I have updated it in
>>>> https://ozlabs.org/~akpm/mmots/broken-out/lib-lz4-update-lz4-decompressor-module.patch
>>>> if it is shown up in Linux 4.20, I will remove all the customized LZ4 decompression code),
>>>> but lib/ code lz4def.h isn't export to include/.
>>>
>>> It should show up in 4.20, so you should be able to remove this all
>>> then.
>>
>> Yes, that is correct. I will fix it in 4.20 if the updated LZ4 is already there. :)
> 
> So no need to update the patch since the file will be removed. Am I correct?
> 
> Too bad, I'll make my first patch later... ^^

I think you could make the patch if you want :)
It is up to Greg whether take this patch or not since it is actually a cleanup attempt.

I will also do more cleanups beside my current work, yet EROFS is now busy in productization.

Thanks,
Gao Xiang

> 
> Thanks
> Loic
>>
>> Thanks,
>> Gao Xiang
>>
>>>
>>> thanks,
>>>
>>> greg k-h
>>>