From: Greg KH <gregkh@linuxfoundation.org>
To: linan666@huaweicloud.com
Cc: stable@vger.kernel.org, song@kernel.org, yukuai3@huawei.com,
linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org,
yangerkun@huawei.com, yi.zhang@huawei.com
Subject: Re: [PATCH stable/6.18-6.17] md: add check_new_feature module parameter
Date: Wed, 17 Dec 2025 15:04:46 +0100 [thread overview]
Message-ID: <2025121700-pedicure-reckless-65b9@gregkh> (raw)
In-Reply-To: <20251217130513.2706844-1-linan666@huaweicloud.com>
On Wed, Dec 17, 2025 at 09:05:13PM +0800, linan666@huaweicloud.com wrote:
> From: Li Nan <linan122@huawei.com>
>
> commit 9c47127a807da3e36ce80f7c83a1134a291fc021 upstream.
>
> Raid checks if pad3 is zero when loading superblock from disk. Arrays
> created with new features may fail to assemble on old kernels as pad3
> is used.
>
> Add module parameter check_new_feature to bypass this check.
This is a new feature, why does it need to go to stable kernels?
And a module parameter? Ugh, this isn't the 1990's anymore, this is not
good and will be a mess over time (think multiple devices...)
thanks,
greg k-h
next prev parent reply other threads:[~2025-12-17 14:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-17 13:05 [PATCH stable/6.18-6.17] md: add check_new_feature module parameter linan666
2025-12-17 14:04 ` Greg KH [this message]
2025-12-17 17:11 ` Yu Kuai
2025-12-17 17:31 ` Roman Mamedov
2025-12-18 6:30 ` Greg KH
2025-12-18 6:57 ` Li Nan
2025-12-18 7:14 ` Greg KH
2025-12-18 7:42 ` Li Nan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2025121700-pedicure-reckless-65b9@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=linan666@huaweicloud.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=song@kernel.org \
--cc=stable@vger.kernel.org \
--cc=yangerkun@huawei.com \
--cc=yi.zhang@huawei.com \
--cc=yukuai3@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox