linux-kernel - Re: [PATCH v2 resend] erofs: make filesystem exportable

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Message-ID: <14e765db-5e51-9c17-3aa1-bddc1ba5bbb2@kernel.org>
Date:   Tue, 17 May 2022 23:43:48 +0800
From:   Chao Yu <chao@...nel.org>
To:     Hongnan Li <hongnan.li@...ux.alibaba.com>,
        linux-erofs@...ts.ozlabs.org, xiang@...nel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 resend] erofs: make filesystem exportable

On 2022/4/25 12:07, Hongnan Li wrote:
> Implement export operations in order to make EROFS support accessing
> inodes with filehandles so that it can be exported via NFS and used
> by overlayfs.
> 
> Without this patch, 'exportfs -rv' will report:
> exportfs: /root/erofs_mp does not support NFS export
> 
> Also tested with unionmount-testsuite and the testcase below passes now:
> ./run --ov --erofs --verify hard-link
> 
> For more details about the testcase, see:
> https://github.com/amir73il/unionmount-testsuite/pull/6
> 
> Signed-off-by: Hongnan Li <hongnan.li@...ux.alibaba.com>

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

Thanks,