linux-ext4 - Re: [PATCH] ext4: fix invalid inode checksum

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Message-ID: <20201028033839.GK5691@mit.edu>
Date:   Tue, 27 Oct 2020 23:38:39 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     Luo Meng <luomeng12@...wei.com>
Cc:     adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org, jack@...e.cz
Subject: Re: [PATCH] ext4: fix invalid inode checksum

On Tue, Oct 20, 2020 at 09:36:31AM +0800, Luo Meng wrote:
> During the stability test, there are some errors:
>   ext4_lookup:1590: inode #6967: comm fsstress: iget: checksum invalid.
> 
> If the inode->i_iblocks too big and doesn't set huge file flag, checksum
> will not be recalculated when update the inode information to it's buffer.
> If other inode marks the buffer dirty, then the inconsistent inode will
> be flushed to disk.
> 
> Fix this problem by checking i_blocks in advance.
> 
> Signed-off-by: Luo Meng <luomeng12@...wei.com>

Thanks, this has been applied.

					- Ted