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From: Sasha Levin <>
To: Oleksandr Tymoshenko <>
Cc:, Baokun Li <>,
	"Darrick J . Wong" <>, Jan Kara <>,, Theodore Ts'o <>
Subject: Re: [PATCH 5.15 v2 1/1] ext4: fix bad checksum after online resize
Date: Wed, 1 Feb 2023 22:07:33 -0500	[thread overview]
Message-ID: <Y9so9dguyVJ83Mdc@sashalap> (raw)
In-Reply-To: <>

On Mon, Jan 30, 2023 at 11:52:12PM +0000, Oleksandr Tymoshenko wrote:
>From: Baokun Li <>
>commit a408f33e895e455f16cf964cb5cd4979b658db7b upstream.
>When online resizing is performed twice consecutively, the error message
>"Superblock checksum does not match superblock" is displayed for the
>second time. Here's the reproducer:
>	mkfs.ext4 -F /dev/sdb 100M
>	mount /dev/sdb /tmp/test
>	resize2fs /dev/sdb 5G
>	resize2fs /dev/sdb 6G
>To solve this issue, we moved the update of the checksum after the
>es->s_overhead_clusters is updated.
>Fixes: 026d0d27c488 ("ext4: reduce computation of overhead during resize")
>Fixes: de394a86658f ("ext4: update s_overhead_clusters in the superblock during an on-line resize")
>Signed-off-by: Baokun Li <>
>Reviewed-by: Darrick J. Wong <>
>Reviewed-by: Jan Kara <>
>Signed-off-by: Theodore Ts'o <>
>Signed-off-by: Oleksandr Tymoshenko <>

I've grabbed it, thanks!


      reply	other threads:[~2023-02-02  3:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-30 23:52 [PATCH 5.15 v2 0/1] ext4: backport online resize fix Oleksandr Tymoshenko
2023-01-30 23:52 ` [PATCH 5.15 v2 1/1] ext4: fix bad checksum after online resize Oleksandr Tymoshenko
2023-02-02  3:07   ` Sasha Levin [this message]

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