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Message-ID: <ed18eaf6-e5c9-2de8-d6b3-a5f121e4c61e@kernel.org>
Date:   Sun, 30 Jul 2023 21:04:40 +0800
From:   Chao Yu <chao@...nel.org>
To:     Jingbo Xu <jefflexu@...ux.alibaba.com>,
        hsiangkao@...ux.alibaba.com, huyue2@...lpad.com,
        linux-erofs@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] erofs: deprecate superblock checksum feature

On 2023/7/17 19:27, Jingbo Xu wrote:
> Later we're going to try the self-contained image verification.
> The current superblock checksum feature has quite limited
> functionality, instead, merkle trees can provide better protection
> for image integrity.
> 
> xxhash is also used in the following xattr name filter feature.  It is
> redundant for one filesystem to rely on two hashing algorithms at the
> same time.
> 
> Since the superblock checksum is a compatible feature, just deprecate
> it now.
> 
> Signed-off-by: Jingbo Xu <jefflexu@...ux.alibaba.com>

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

Thanks,

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