linux-kernel - Re: [PATCH V2 00/12] badblocks: bugfix and cleanup for badblocks

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Message-ID: <f30a7a37-7e2c-2c4c-ae55-a18ec7d6e98a@huaweicloud.com>
Date: Wed, 5 Mar 2025 09:41:52 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
To: Zheng Qixing <zhengqixing@...weicloud.com>, axboe@...nel.dk,
 song@...nel.org, dan.j.williams@...el.com, vishal.l.verma@...el.com,
 dave.jiang@...el.com, ira.weiny@...el.com, dlemoal@...nel.org,
 kch@...dia.com, yanjun.zhu@...ux.dev, hare@...e.de, zhengqixing@...wei.com,
 colyli@...nel.org, geliang@...nel.org, xni@...hat.com
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-raid@...r.kernel.org, nvdimm@...ts.linux.dev, yi.zhang@...wei.com,
 yangerkun@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH V2 00/12] badblocks: bugfix and cleanup for badblocks

Hi, Jens!

在 2025/02/27 15:54, Zheng Qixing 写道:
> From: Zheng Qixing <zhengqixing@...wei.com>
> 
> Hi,
> 
> during RAID feature implementation testing, we found several bugs
> in badblocks.
> 
> This series contains bugfixes and cleanups for MD RAID badblocks
> handling code.
> 
> V2:
>          - patch 4: add a description of the issue
>          - patch 5: add comment of parital setting
>          - patch 6: add fix tag
>          - patch 10: two code style modifications
>          - patch 11: keep original functionality of rdev_clear_badblocks(),
>            functionality was incorrectly modified in V1.
> 	- patch 1-10 and patch 12 are reviewed by Yu Kuai
> 	  <yukuai3@...wei.com>
> 	- patch 1, 3, 5, 6, 8, 9, 10, 12 are acked by Coly Li
> 	  <colyli@...nel.org>
> 
> Li Nan (8):
>    badblocks: Fix error shitf ops
>    badblocks: factor out a helper try_adjacent_combine
>    badblocks: attempt to merge adjacent badblocks during
>      ack_all_badblocks
>    badblocks: return error directly when setting badblocks exceeds 512
>    badblocks: return error if any badblock set fails
>    badblocks: fix the using of MAX_BADBLOCKS
>    badblocks: try can_merge_front before overlap_front
>    badblocks: fix merge issue when new badblocks align with pre+1
> 
> Zheng Qixing (4):
>    badblocks: fix missing bad blocks on retry in _badblocks_check()
>    badblocks: return boolean from badblocks_set() and badblocks_clear()
>    md: improve return types of badblocks handling functions
>    badblocks: use sector_t instead of int to avoid truncation of
>      badblocks length
> 

This set contains fixes that are found by testing mdraid, please
consider this set for the next merge window, or I can apply it to
md-6.15.

Thanks,
Kuai

>   block/badblocks.c             | 322 +++++++++++++---------------------
>   drivers/block/null_blk/main.c |  16 +-
>   drivers/md/md.c               |  48 ++---
>   drivers/md/md.h               |  14 +-
>   drivers/md/raid1-10.c         |   2 +-
>   drivers/md/raid1.c            |  10 +-
>   drivers/md/raid10.c           |  14 +-
>   drivers/nvdimm/badrange.c     |   2 +-
>   drivers/nvdimm/nd.h           |   2 +-
>   drivers/nvdimm/pfn_devs.c     |   7 +-
>   drivers/nvdimm/pmem.c         |   2 +-
>   include/linux/badblocks.h     |  10 +-
>   12 files changed, 183 insertions(+), 266 deletions(-)
>