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Message-ID: <YpW6xNPXHig7Djee@B-P7TQMD6M-0146.local>
Date: Tue, 31 May 2022 14:50:44 +0800
From: Gao Xiang <hsiangkao@...ux.alibaba.com>
To: Chao Yu <chao@...nel.org>
Cc: Gao Xiang <xiang@...nel.org>, linux-erofs@...ts.ozlabs.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] erofs: random decompression cleanups
On Tue, May 31, 2022 at 02:45:38PM +0800, Chao Yu wrote:
> Acked-by: Chao Yu <chao@...nel.org>
Thanks Chao! It'd be much helpful for me if we apply these cleanups
so I can have a new folio rework+cleanup+rolling hash 5.20 cycle.
Thanks,
Gao Xiang
>
> 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(-)
> >
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