[PATCH 2/3] staging: erofs: introduce erofs_page_is_managed()

[Chao Yu]

On 2019/3/19 21:55, Gao Xiang wrote:
> 1) In order to clean up unnecessary
>    page->mapping == MNGD_MAPPING(sbi) wrapped by #ifdefs;
> 
> 2) Needed by "staging: erofs: support IO read error injection".
> 
> Signed-off-by: Gao Xiang <gaoxiang25 at huawei.com>

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

Thanks,