linux-kernel - Re: [PATCH v7 07/31] netfs: Make a netfs helper module

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Message-ID: <YIpxyi8l4LX/oTSJ@codewreck.org>
Date:   Thu, 29 Apr 2021 17:43:54 +0900
From:   Dominique Martinet <asmadeus@...ewreck.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        Marc Dionne <marc.dionne@...istor.com>,
        Linux MM <linux-mm@...ck.org>, linux-cachefs@...hat.com,
        linux-afs@...ts.infradead.org,
        "open list:NFS, SUNRPC, AND..." <linux-nfs@...r.kernel.org>,
        linux-cifs@...r.kernel.org,
        ceph-devel <ceph-devel@...r.kernel.org>,
        V9FS Developers <v9fs-developer@...ts.sourceforge.net>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Jeff Layton <jlayton@...hat.com>,
        David Wysochanski <dwysocha@...hat.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 07/31] netfs: Make a netfs helper module

David Howells wrote on Thu, Apr 29, 2021 at 09:41:37AM +0100:
> Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > I see later patches make AFS and FSCACHE select NETFS_SUPPORT.  If this
> > is just a library of functions, to be selected by its users, then please
> > make the symbol invisible.
> 
> Ideally, yes, it would be an invisible symbol enabled by select from the
> network filesystems that use it - but doing that means that you can't choose
> whether to build it in or build it as a module.

Afaik such dependencies are then built as a module if everything it
depends on are modules, and built-in if any of these are built-in.

I think most users would be fine with that -- there's little reason to
have netfs built-in if AFS ceph etc all are modules?

-- 
Dominique