[PATCH 2/2] erofs: update documentation about data compression

[Chao Yu]

On 2021/5/11 0:25, Gao Xiang wrote:
> Add more description about (NON)HEAD lclusters, and the new big
> pcluster feature.
> 
> Signed-off-by: Gao Xiang <xiang at kernel.org>

Good job!

Reviewed-by: Chao Yu <yuchao0 at huawei.com>

Thanks,