[PATCH v2] erofs: clean up zmap.c

[Yue Hu]

On Thu, 15 Jun 2023 14:44:21 +0800
Gao Xiang <hsiangkao at linux.alibaba.com> wrote:

> Several trivial cleanups which aren't quite necessary to split:
> 
>  - Rename lcluster load functions as well as justify full indexes
>    since they are typically used for global deduplication for
>    compressed data;
> 
>  - Avoid unnecessary lines, comments for simplicity.
> 
> No logic changes.
> 
> Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>

Reviewed-by: Yue Hu <huyue2 at coolpad.com>