From: Chao Yu <chao@kernel.org>
To: Gao Xiang <xiang@kernel.org>, linux-erofs@lists.ozlabs.org
Cc: LKML <linux-kernel@vger.kernel.org>,
Gao Xiang <hsiangkao@linux.alibaba.com>,
Yue Hu <huyue2@yulong.com>
Subject: Re: [PATCH v4 2/3] erofs: introduce the secondary compression head
Date: Tue, 19 Oct 2021 20:56:48 +0800 [thread overview]
Message-ID: <bec868c6-02c3-5f6d-c5d4-84cb4e1c9cb1@kernel.org> (raw)
In-Reply-To: <20211017165721.2442-1-xiang@kernel.org>
On 2021/10/18 0:57, Gao Xiang wrote:
> From: Gao Xiang <hsiangkao@linux.alibaba.com>
>
> Previously, for each HEAD lcluster, it can be either HEAD or PLAIN
> lcluster to indicate whether the whole pcluster is compressed or not.
>
> In this patch, a new HEAD2 head type is introduced to specify another
> compression algorithm other than the primary algorithm for each
> compressed file, which can be used for upcoming LZMA compression and
> LZ4 range dictionary compression for various data patterns.
>
> It has been stayed in the EROFS roadmap for years. Complete it now!
>
> Reviewed-by: Yue Hu <huyue2@yulong.com>
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Thanks,
WARNING: multiple messages have this Message-ID (diff)
From: Chao Yu <chao@kernel.org>
To: Gao Xiang <xiang@kernel.org>, linux-erofs@lists.ozlabs.org
Cc: Gao Xiang <hsiangkao@linux.alibaba.com>,
Yue Hu <huyue2@yulong.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 2/3] erofs: introduce the secondary compression head
Date: Tue, 19 Oct 2021 20:56:48 +0800 [thread overview]
Message-ID: <bec868c6-02c3-5f6d-c5d4-84cb4e1c9cb1@kernel.org> (raw)
In-Reply-To: <20211017165721.2442-1-xiang@kernel.org>
On 2021/10/18 0:57, Gao Xiang wrote:
> From: Gao Xiang <hsiangkao@linux.alibaba.com>
>
> Previously, for each HEAD lcluster, it can be either HEAD or PLAIN
> lcluster to indicate whether the whole pcluster is compressed or not.
>
> In this patch, a new HEAD2 head type is introduced to specify another
> compression algorithm other than the primary algorithm for each
> compressed file, which can be used for upcoming LZMA compression and
> LZ4 range dictionary compression for various data patterns.
>
> It has been stayed in the EROFS roadmap for years. Complete it now!
>
> Reviewed-by: Yue Hu <huyue2@yulong.com>
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Thanks,
next prev parent reply other threads:[~2021-10-19 12:57 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 20:08 [PATCH v2 0/3] erofs: some decompression improvements Gao Xiang
2021-10-08 20:08 ` Gao Xiang
2021-10-08 20:08 ` [PATCH v2 1/3] erofs: get compression algorithms directly on mapping Gao Xiang
2021-10-08 20:08 ` Gao Xiang
2021-10-09 1:52 ` Yue Hu
2021-10-09 1:52 ` Yue Hu
2021-10-17 15:25 ` Chao Yu
2021-10-17 15:25 ` Chao Yu
2021-10-08 20:08 ` [PATCH v2 2/3] erofs: introduce the secondary compression head Gao Xiang
2021-10-08 20:08 ` Gao Xiang
2021-10-09 3:50 ` Yue Hu
2021-10-09 3:50 ` Yue Hu
2021-10-09 4:47 ` Gao Xiang
2021-10-09 4:47 ` Gao Xiang
2021-10-09 18:12 ` [PATCH v3 " Gao Xiang
2021-10-09 18:12 ` Gao Xiang
2021-10-10 0:53 ` Yue Hu
2021-10-10 0:53 ` Yue Hu
2021-10-17 15:27 ` Chao Yu
2021-10-17 15:27 ` Chao Yu
2021-10-17 15:32 ` Gao Xiang
2021-10-17 15:32 ` Gao Xiang
2021-10-17 16:57 ` [PATCH v4 " Gao Xiang
2021-10-17 16:57 ` Gao Xiang
2021-10-19 12:56 ` Chao Yu [this message]
2021-10-19 12:56 ` Chao Yu
2021-10-08 20:08 ` [PATCH v2 3/3] erofs: introduce readmore decompression strategy Gao Xiang
2021-10-08 20:08 ` Gao Xiang
2021-10-17 15:34 ` Chao Yu
2021-10-17 15:34 ` Chao Yu
2021-10-17 15:42 ` Gao Xiang
2021-10-17 15:42 ` Gao Xiang
2021-10-19 12:58 ` Chao Yu
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