[PATCH v2] erofs: support metadata compression

[Hongbo Li]

On 2025/7/14 11:15, Gao Xiang wrote:
> ..
> 
>>>       if (!name)
>>>           return -EINVAL;
>>> @@ -411,9 +416,12 @@ int erofs_getxattr(struct inode *inode, int 
>>> index, const char *name,
>>>       if (it.name.len > EROFS_NAME_LEN)
>>>           return -ERANGE;
>>> +    if (erofs_sb_has_xattr_compr(sbi))
>>
>> Is xattr_compr another feature under meta compr? In my opinion, how 
>> about splitting it with another patch?
> 
> Just answer this in advance, it should be in this patch, or
> as a seperate patch before this patch.
> 
> Otherwise it's non-bisectable (and thus causes a incompat
> feature) because users could use a kernel with metadata
> compression but without erofs_sb_has_xattr_compr, it
> causes the connected features fragmented.
> 

Ok,got it!

Thanks,
Hongbo

> Thanks,
> Gao Xiang
> 
>>
>> Thanks,
>> Hongbo
>>