linux-kernel - Re: [PATCH v5 01/16] md: move device

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Message-Id: <d2fa618a-6757-4ed1-9626-6e97e227d9fa@fnnas.com>
Date: Thu, 30 Oct 2025 09:59:20 +0800
From: "Yu Kuai" <yukuai@...as.com>
To: "Kenta Akagi" <k@...l.me>, "Song Liu" <song@...nel.org>, 
	"Shaohua Li" <shli@...com>, "Mariusz Tkaczyk" <mtkaczyk@...nel.org>, 
	"Guoqing Jiang" <jgq516@...il.com>
Cc: <linux-raid@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 01/16] md: move device_lock from conf to mddev

在 2025/10/27 23:04, Kenta Akagi 写道:

> Move device_lock from mddev->private (r1conf, r10conf, r5conf)
> to the mddev structure in preparation for serializing md_error() and
> introducing new function that conditional md_error() calls to
> improvement failfast bio error handling.
>
> This commit only moves the device_lock location with no functional
> changes. Subsequent commits will serialize md_error() and introduce
> a new function that calls md_error() conditionally.
>
> Signed-off-by: Kenta Akagi<k@...l.me>
> ---
>   drivers/md/md.c          |   1 +
>   drivers/md/md.h          |   2 +
>   drivers/md/raid1.c       |  51 +++++++-------
>   drivers/md/raid1.h       |   2 -
>   drivers/md/raid10.c      |  61 +++++++++--------
>   drivers/md/raid10.h      |   1 -
>   drivers/md/raid5-cache.c |  16 ++---
>   drivers/md/raid5.c       | 139 +++++++++++++++++++--------------------
>   drivers/md/raid5.h       |   1 -
>   9 files changed, 135 insertions(+), 139 deletions(-)

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