* Re: [PATCH v2] jbd2: avoid transaction reuse after reformatting
[not found] <tencent_84E12D61F93979D8E588E980751B80B40B08@qq.com>
@ 2020-10-06 10:33 ` Jan Kara
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From: Jan Kara @ 2020-10-06 10:33 UTC (permalink / raw)
To: 常凤楠
Cc: tytso, jack, adilger, darrick.wong, Fengnan Chang, linux-ext4
On Sat 03-10-20 14:30:24, 常凤楠 wrote:
> When format ext4 with lazy_journal_init=1, the previous transaction is still on disk,
> it is possible that the previous transaction will be used again during jbd2 recovery.
> Because the seed is changed, the CRC check will fail.
>
> Signed-off-by: Fengnan Chang <changfengnan@hikvision.com>
I've submitted v3 of the patch [1] which should not be mangled as this one...
Honza
[1] https://lore.kernel.org/linux-ext4/20201006103154.7130-1-jack@suse.cz
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
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