[PATCH v2] erofs: deprecate superblock checksum feature

[Gao Xiang]

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 at linux.alibaba.com>

I tend to agree on this since it slightly impacts mount time too:

Reviewed-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Thanks,
Gao Xiang