linux-kernel - Re: [PATCH v2 04/11] md/raid1,raid10: support narrow_write

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Message-Id: <a66d22ae-8fe7-4af6-99c8-fb052c7affed@fnnas.com>
Date: Sat, 8 Nov 2025 18:11:03 +0800
From: "Yu Kuai" <yukuai@...as.com>
To: <linan666@...weicloud.com>, <song@...nel.org>, <neil@...wn.name>, 
	<namhyung@...il.com>
Cc: <linux-raid@...r.kernel.org>, <linux-kernel@...r.kernel.org>, 
	<xni@...hat.com>, <k@...l.me>, <yangerkun@...wei.com>, 
	<yi.zhang@...wei.com>, <yukuai@...as.com>
Subject: Re: [PATCH v2 04/11] md/raid1,raid10: support narrow_write_error when badblocks is disabled

在 2025/11/6 19:59, linan666@...weicloud.com 写道:

> When badblocks.shift < 0 (badblocks disabled), narrow_write_error()
> return false, preventing write error handling. Since narrow_write_error()
> only splits IO into smaller sizes and re-submits, it can work with
> badblocks disabled.
>
> Adjust to use the logical block size for block_sectors when badblocks is
> disabled, allowing narrow_write_error() to function in this case.
>
> Suggested-by: Kenta Akagi<k@...l.me>
> Signed-off-by: Li Nan<linan122@...wei.com>
> ---
>   drivers/md/raid1.c  | 8 ++++----
>   drivers/md/raid10.c | 8 ++++----
>   2 files changed, 8 insertions(+), 8 deletions(-)

LGTM
Reviewed-by: Yu Kuai <yukuai@...as.com>