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SubjectRe: [PATCH v4 5/5] erofs: add on-disk compressed tail-packing inline support
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On 2021/12/28 13:46, Gao Xiang wrote:
> From: Yue Hu <huyue2@yulong.com>
>
> Introduces erofs compressed tail-packing inline support.
>
> This approach adds a new field called `h_idata_size' in the
> per-file compression header to indicate the encoded size of
> each tail-packing pcluster.
>
> At runtime, it will find the start logical offset of the tail
> pcluster when initializing per-inode zmap and record such
> extent (headlcn, idataoff) information to the in-memory inode.
> Therefore, follow-on requests can directly recognize if one
> pcluster is a tail-packing inline pcluster or not.
>
> Signed-off-by: Yue Hu <huyue2@yulong.com>
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

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

Thanks,

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