Re: [PATCH v4 2/3] erofs: introduce the secondary compression head

Chao Yu
2021-10-19T12:57:00Z

On 2021/10/18 0:57, Gao Xiang wrote:
> From: Gao Xiang <hsiangkao@linux.alibaba.com>
>
> Previously, for each HEAD lcluster, it can be either HEAD or PLAIN
> lcluster to indicate whether the whole pcluster is compressed or not.
>
> In this patch, a new HEAD2 head type is introduced to specify another
> compression algorithm other than the primary algorithm for each
> compressed file, which can be used for upcoming LZMA compression and
> LZ4 range dictionary compression for various data patterns.
>
> It has been stayed in the EROFS roadmap for years. Complete it now!
>
> Reviewed-by: Yue Hu <huyue2@yulong.com>
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,