linux-kernel - Re: [PATCH 07/39] vfs: export vfs

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Date:   Mon, 11 Jun 2018 09:24:12 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Miklos Szeredi <miklos@...redi.hu>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Miklos Szeredi <mszeredi@...hat.com>,
        overlayfs <linux-unionfs@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/39] vfs: export vfs_ioctl() to modules

On Mon, Jun 11, 2018 at 09:19:01AM +0200, Miklos Szeredi wrote:
> We don't.  Obviously need to make sure to only ever do ioctl's in
> overlayfs that have a common definition across filesystems.  Not a lot
> of those, luckily...

Which are those?  If they are common and possibly called from kernel
code they should probably be made into methods instead.