linux-kernel - Re: [PATCH v4 1/2] md: prevent adding disks with larger logical_block

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Message-ID: <028c1184-a114-d814-cf11-ef6d9408502b@huaweicloud.com>
Date: Fri, 12 Sep 2025 17:20:45 +0800
From: Li Nan <linan666@...weicloud.com>
To: Xiao Ni <xni@...hat.com>, linan666@...weicloud.com
Cc: corbet@....net, song@...nel.org, yukuai3@...wei.com, hare@...e.de,
 martin.petersen@...cle.com, bvanassche@....org, filipe.c.maia@...il.com,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-raid@...r.kernel.org, yangerkun@...wei.com, yi.zhang@...wei.com
Subject: Re: [PATCH v4 1/2] md: prevent adding disks with larger
 logical_block_size to active arrays



在 2025/9/12 11:18, Xiao Ni 写道:
> On Thu, Sep 11, 2025 at 3:41 PM <linan666@...weicloud.com> wrote:
>>
>> From: Li Nan <linan122@...wei.com>
>>
>> When adding a disk to a md array, avoid updating the array's
>> logical_block_size to match the new disk. This prevents accidental
>> partition table loss that renders the array unusable.
>>
>> The later patch will introduce a way to configure the array's
>> logical_block_size.
>>
>> The issue was introduced before Linux 2.6.12-rc2.
>>
>> Fixes: d2e45eace8 ("[PATCH] Fix raid "bio too big" failures")
> 
> Hi Li Nan
> 
> I can't find the commit in
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> 
> git show d2e45eace8
> fatal: ambiguous argument 'd2e45eace8': unknown revision or path not
> in the working tree.
> Use '--' to separate paths from revisions, like this:
> 'git <command> [<revision>...] -- [<file>...]'
> 
> Regards
> Xiao

Thank you for your reply.

As mentioned in the commit message, the issue was introduced before Linux
2.6.12-rc2, and needs to be get it in the history repository.

https://kernel.googlesource.com/pub/scm/linux/kernel/git/tglx/history.git

-- 
Thanks,
Nan