[PATCH v2 5/5] erofs: use meta buffers for zmap operations

Chao Yu chao at kernel.org
Tue Jan 4 23:44:13 AEDT 2022

On 2022/1/4 17:02, Gao Xiang wrote:
> Thanks for the question. Previously, erofs_get_meta_page was called
> independently without reusing zmap mpage, so the page refcount had no
> relationship with zmap mpage.
> However, now we reuse zmap metabuf instead(fe->map.buf), so an extra
> page refcount is needed since zmap metabuf will be released at the end
> of readpage or readahead...

Thanks for the explanation.

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


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