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

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Message-ID: <20201126091537.GA21957@lst.de>
Date:   Thu, 26 Nov 2020 10:15:37 +0100
From:   Christoph Hellwig <hch@....de>
To:     Yicong Yang <yangyicong@...ilicon.com>
Cc:     Christoph Hellwig <hch@....de>, 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()

On Thu, Nov 26, 2020 at 05:08:26PM +0800, Yicong Yang wrote:
> > 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?

Yes.  And chances are that you do not actaully need these functions
either, but to suggest a better placement I need to actually see the
code.