Message-ID: <331dda35-b5cc-86c9-83ff-b30b383531b6@kernel.org>
Date:   Thu, 30 Dec 2021 12:01:36 +0800
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Subject: Re: [PATCH v4 5/5] erofs: add on-disk compressed tail-packing inline
 support
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To:     Gao Xiang <hsiangkao@linux.alibaba.com>,
        linux-erofs@lists.ozlabs.org
Cc:     Yue Hu <huyue2@yulong.com>, LKML <linux-kernel@vger.kernel.org>
References: <20211228054604.114518-1-hsiangkao@linux.alibaba.com>
 <20211228054604.114518-6-hsiangkao@linux.alibaba.com>
From:   Chao Yu <chao@kernel.org>
In-Reply-To: <20211228054604.114518-6-hsiangkao@linux.alibaba.com>
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On 2021/12/28 13:46, Gao Xiang wrote:
> From: Yue Hu <huyue2@yulong.com>
> 
> Introduces erofs compressed tail-packing inline support.
> 
> This approach adds a new field called `h_idata_size' in the
> per-file compression header to indicate the encoded size of
> each tail-packing pcluster.
> 
> At runtime, it will find the start logical offset of the tail
> pcluster when initializing per-inode zmap and record such
> extent (headlcn, idataoff) information to the in-memory inode.
> Therefore, follow-on requests can directly recognize if one
> pcluster is a tail-packing inline pcluster or not.
> 
> Signed-off-by: Yue Hu <huyue2@yulong.com>
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,