linux-kernel - Re: [PATCH v2] resize.f2fs: add option to manually specify new overprovision

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Message-ID: <81ebfa7d-e294-409c-a3a6-5acb6daeb03f@kernel.org>
Date:   Wed, 22 Jun 2022 21:19:46 +0800
From:   Chao Yu <chao@...nel.org>
To:     qixiaoyu1 <qxy65535@...il.com>
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, liuchao12@...omi.com,
        qixiaoyu1 <qixiaoyu1@...omi.com>
Subject: Re: [PATCH v2] resize.f2fs: add option to manually specify new
 overprovision

On 2022/6/20 16:48, qixiaoyu1 wrote:
> From: liuchao12 <liuchao12@...omi.com>
> 
> Make.f2fs supports manually specifying overprovision, and we expect
> resize.f2fs to support it as well.
> 
> This change add a new '-o' option to manually specify overprovision,
> and fix to check free space before grow. Otherwise, after grow,
> kernel may report below error message when we mount the image if -o
> parameter is specified during resize:
> 
> F2FS-fs (loop0): invalid crc_offset: 0
> F2FS-fs (loop0): Wrong valid_user_blocks: 16404, user_block_count: 13312
> F2FS-fs (loop0): Failed to get valid F2FS checkpoint
> mount(2) system call failed: Structure needs cleaning.
> 
> Signed-off-by: qixiaoyu1 <qixiaoyu1@...omi.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,