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Date:   Sun, 17 Oct 2021 23:00:16 +0800
From:   Chao Yu <>
To:     Gao Xiang <>,, Liu Bo <>,
        Yan Song <>,
        LKML <>,
        Peng Tao <>,
        Joseph Qi <>,
        Changwei Ge <>,
        Liu Jiang <>
Subject: Re: [PATCH v6 2/2] erofs: add multiple device support

On 2021/10/17 12:15, Gao Xiang wrote:
> Hi Chao,
> On Sun, Oct 17, 2021 at 10:10:15AM +0800, Chao Yu wrote:
>> File won't locate in multidevices, right? otherwise it needs to shrink mapped length
>> as well.
> Thanks for your review.
> File can be located in multi-devices. But it's intended as I mentioned in the commit
> message, each extent won't cross devices, which is guaranteed by mkfs seriously.
> Otherwise, it's more complicated to handle (especially for the compression side) and
> has no more benefits.

Thanks for the explanation.

Reviewed-by: Chao Yu <>


> Thanks,
> Gao Xiang
>> Thanks,

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