linux-kernel - Re: [PATCH 3/6] staging: erofs: drop multiref support temporarily

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Message-ID: <2c838085-2883-829d-08cd-1426721aa7bb@kernel.org>
Date:   Wed, 19 Sep 2018 23:20:39 +0800
From:   Chao Yu <chao@...nel.org>
To:     Gao Xiang <gaoxiang25@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Chao Yu <yuchao0@...wei.com>, devel@...verdev.osuosl.org
Cc:     Miao Xie <miaoxie@...wei.com>, linux-erofs@...ts.ozlabs.org,
        LKML <linux-kernel@...r.kernel.org>, Du Wei <weidu.du@...wei.com>
Subject: Re: [PATCH 3/6] staging: erofs: drop multiref support temporarily

On 2018/9/19 13:49, Gao Xiang wrote:
> Multiref support means that a compressed page could have
> more than one reference, which is designed for on-disk data
> deduplication. However, mkfs doesn't support this mode
> at this moment, and the kernel implementation is also broken.
> 
> Let's drop multiref support. If it is fully implemented
> in the future, it can be reverted later.
> 
> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>

Reviewed-by: Chao Yu <yuchao0@...wei.com>

Thanks,