linux-kernel - Re: [PATCH] fs: export vfs_stat() and vfs

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Date:   Thu, 26 Nov 2020 17:08:26 +0800
From:   Yicong Yang <yangyicong@...ilicon.com>
To:     Christoph Hellwig <hch@....de>
CC:     <viro@...iv.linux.org.uk>, <linux-fsdevel@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <prime.zeng@...wei.com>,
        <linuxarm@...wei.com>
Subject: Re: [PATCH] fs: export vfs_stat() and vfs_fstatat()

Hi Christoph,

On 2020/11/26 15:18, Christoph Hellwig wrote:
> On Thu, Nov 26, 2020 at 03:15:48PM +0800, Yicong Yang wrote:
>> The public function vfs_stat() and vfs_fstatat() are
>> unexported after moving out of line in
>> commit 09f1bde4017e ("fs: move vfs_fstatat out of line"),
>> which will prevent the using in kernel modules.
>> So make them exported.
> And why would you want to use them in kernel module?  Please explain
> that in the patch that exports them, and please send that patch in the
> same series as the patches adding the users.

we're using it in the modules for testing our crypto driver on our CI system.
is it mandatory to upstream it if we want to use this function?

Thanks,
Yicong


> .
>