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SubjectRe: [PATCH] erofs: deprecate superblock checksum feature
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On 2023/7/14 12:50, Jingbo Xu wrote:
>
>
> On 7/14/23 12:29 PM, Gao Xiang wrote:
>>
>>
>> On 2023/7/14 11:38, Jingbo Xu wrote:
>>> Later we're going to introduce fs-verity based verification for the
>>> whole image.  Make the superblock checksum feature deprecated.
>>
>> I'd suggest that
>>
>>
>> "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.
>>
>>  Since the superblock checksum is a compatible feature, just
>>  deprecate now. "
>>
>
> Yeah, another concern is that xxhash is used in the following xattr name
> filter feature [1] which is on the way. It may be redundant to use two
> hashing algorithms for one filesystem.

Please help add this to the commit message when the next version
is sent.

Thanks,
Gao Xiang

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