[PATCH] erofs: introduce partial-referenced pclusters

[Yue Hu]

On Fri, 23 Sep 2022 09:49:15 +0800
Gao Xiang <hsiangkao at linux.alibaba.com> wrote:

> Due to deduplication for compressed data, pclusters can be partially
> referenced with their prefixes.
> 
> Together with the user-space implementation, it enables EROFS
> variable-length global compressed data deduplication with rolling
> hash.
> 
> Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>

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

> ---
>  fs/erofs/decompressor_lzma.c | 3 +++
>  fs/erofs/erofs_fs.h          | 7 ++++++-
>  fs/erofs/internal.h          | 4 ++++
>  fs/erofs/super.c             | 2 ++
>  fs/erofs/sysfs.c             | 2 ++
>  fs/erofs/zdata.c             | 1 +
>  fs/erofs/zmap.c              | 6 +++++-
>  7 files changed, 23 insertions(+), 2 deletions(-)