[PATCH 2/4] erofs-utils: add a built-in DEFLATE compressor

[Gao Xiang]

(forgot to respond something...)

On 2023/7/10 12:51, Gao Xiang wrote:
> 
> 

...

>>
>>>
>>> I think we could use this way first for the new Zstd support (if they don't have
>>> bandwidth to add a offical fixed-sized output approach), but considering deflate
>>> algorithm is quite easy for me to understand so at least I could have a simple
>>> built-in one to avoid external dependency (mainly considering zlib since it's
>>> quite outdated).  Since EROFS is actually offline compression so the compressed
>>> data correctness can always be checked in advance before image release.
>>
>> Writing an optimized compressor, especially one that implements high compression
>> levels, is very hard.  Are you sure it's something you want to implement and
>> maintain in erofs-utils?

Nope, as I said earlier, I'd like to write a simple one to replace zlib
functionality (kite_deflate already does), and I hope more popular encoders
could have offical modes for EROFS in the long term.  That is something that
I wish to the opensource communities...

Thanks,
Gao Xiang