linux-kernel - Re: [PATCH] erofs: introduce partial-referenced pclusters

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Message-ID: <20220923115805.000051fe.zbestahu@gmail.com>
Date:   Fri, 23 Sep 2022 11:58:05 +0800
From:   Yue Hu <zbestahu@...il.com>
To:     Gao Xiang <hsiangkao@...ux.alibaba.com>
Cc:     linux-erofs@...ts.ozlabs.org, Chao Yu <chao@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] erofs: introduce partial-referenced pclusters

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

Reviewed-by: Yue Hu <huyue2@...lpad.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(-)