linux-kernel - Re: [PATCH 0/3] md/raid10: record rdev/replacement in r10bio

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Message-ID: <17faca9e-3574-31dd-73c4-eb07078b4b72@huaweicloud.com>
Date:   Fri, 16 Jun 2023 17:01:58 +0800
From:   Li Nan <linan666@...weicloud.com>
To:     Song Liu <song@...nel.org>, Yu Kuai <yukuai1@...weicloud.com>
Cc:     linan666@...weicloud.com, neilb@...e.de,
        linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com, houtao1@...wei.com, yangerkun@...wei.com,
        "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH 0/3] md/raid10: record rdev/replacement in r10bio



在 2023/6/16 15:03, Song Liu 写道:
> On Wed, Jun 14, 2023 at 8:31 PM Yu Kuai <yukuai1@...weicloud.com> wrote:
>>
>> Hi,
>>
>> 在 2023/06/14 16:47, linan666@...weicloud.com 写道:
>>> From: Li Nan <linan122@...wei.com>
>>>
>>> Replacement can replace rdev during replacement io pending.
>>> mirror->rdev/replacement might be changed during io pending. Get rdev from
>>> it is risky. This patch series record rdev/replacement in r10bio, and get
>>> rdev from r10bio to fix bugs in normal write. And I want to do
>>> this for each io type later.
>>
>> I personally don't like this, do things by half. I'm good with this
>> approch for raid10, but can you send a new version to use this for all
>> io?
> 
> Agreed. Please send the fix for all types.
> 

OK, Let me fix all types.

> Thanks,
> Song
> .

-- 
Thanks,
Nan