linux-kernel - Re: [PATCH 0/3] erofs: random decompression cleanups

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Message-ID: <903a5a66-be1c-6371-708e-ac7f491b9585@kernel.org>
Date:   Tue, 31 May 2022 14:45:38 +0800
From:   Chao Yu <chao@...nel.org>
To:     Gao Xiang <xiang@...nel.org>, linux-erofs@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org,
        Gao Xiang <hsiangkao@...ux.alibaba.com>
Subject: Re: [PATCH 0/3] erofs: random decompression cleanups

Acked-by: Chao Yu <chao@...nel.org>

Thanks,

On 2022/5/29 13:54, Gao Xiang wrote:
> From: Gao Xiang <hsiangkao@...ux.alibaba.com>
> 
> Hi folks,
> 
> Now I'm working on cleanuping decompression code and doing some
> folio adaption for the next 5.20 cycle, see:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/xiang/linux.git/log/?h=erofs/folios
> 
> This cleanup work completely gets rid of PageError usage finally
> and tries to prepare for introducing rolling hashing for EROFS
> since EROFS supports compressing variable-sized data instead of
> fixed-sized clusters.
> 
> Therefore, EROFS can support rolling hash easily and our mechanism
> can make full use of filesystem interfaces (byte-addressed) naturally.
> 
> Before that, I'd like to submit some trivial cleanups in advance for
> the 5.19 cycle. All patches are without any logical change, so I can
> have a more recent codebase for the next rework cycle.
> 
> Thanks,
> Gao Xiang
> 
> Gao Xiang (3):
>    erofs: get rid of `struct z_erofs_collection'
>    erofs: get rid of label `restart_now'
>    erofs: simplify z_erofs_pcluster_readmore()
> 
>   fs/erofs/zdata.c | 165 +++++++++++++++++++----------------------------
>   fs/erofs/zdata.h |  50 +++++++-------
>   2 files changed, 88 insertions(+), 127 deletions(-)
>