linux-kernel - Re: [PATCH md-6.14 13/13] md/md-bitmap: support to build md-bitmap as kernel module

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Message-ID: <dbe17982-bb4f-5c86-8a91-6fe1395070b5@huaweicloud.com>
Date: Mon, 6 Jan 2025 19:35:33 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: Christoph Hellwig <hch@...radead.org>, Yu Kuai <yukuai1@...weicloud.com>
Cc: xni@...hat.com, agk@...hat.com, snitzer@...nel.org, mpatocka@...hat.com,
 song@...nel.org, dm-devel@...ts.linux.dev, linux-raid@...r.kernel.org,
 linux-kernel@...r.kernel.org, yi.zhang@...wei.com, yangerkun@...wei.com,
 "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH md-6.14 13/13] md/md-bitmap: support to build md-bitmap as
 kernel module

Hi,

在 2025/01/06 19:16, Christoph Hellwig 写道:
> On Wed, Dec 25, 2024 at 07:15:46PM +0800, Yu Kuai wrote:
>> From: Yu Kuai <yukuai3@...wei.com>
>>
>> Now that all implementations are internal, it's sensible to build it as
>> kernel module now.
> 
> Why is it sensible?  You need tons of exports for a small piece of
> code that doesn't really feel like it is a sensible module.
> 

So there are total 6 existed helpers that I have to export, however,
these are all historical burdens, md_cluster, raid1 slow disk, ...
And I'm trying to get rid of them for the new md bitmap I'm working on.
If you really don't like *module*, I can change the config to bool. :)

Thanks,
Kuai

> .
>