linux-kernel - Re: [PATCH v2 1/2] staging: erofs: add requirements field in superblock

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Message-ID: <9e0cb4bb-6ffe-95fb-c892-e321bc94f14a@huawei.com>
Date:   Tue, 11 Jun 2019 11:01:58 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Gao Xiang <gaoxiang25@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <devel@...verdev.osuosl.org>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <linux-erofs@...ts.ozlabs.org>, "Chao Yu" <chao@...nel.org>,
        Miao Xie <miaoxie@...wei.com>, <weidu.du@...wei.com>,
        Fang Wei <fangwei1@...wei.com>, <stable@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] staging: erofs: add requirements field in
 superblock

On 2019/6/11 10:42, Gao Xiang wrote:
> There are some backward incompatible features pending
> for months, mainly due to on-disk format expensions.
> 
> However, we should ensure that it cannot be mounted with
> old kernels. Otherwise, it will causes unexpected behaviors.
> 
> Fixes: ba2b77a82022 ("staging: erofs: add super block operations")
> Cc: <stable@...r.kernel.org> # 4.19+
> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>

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

Thanks,