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Date:   Fri, 27 Oct 2023 09:11:57 +0300
From:   Amir Goldstein <>
To:     Christoph Hellwig <>
Cc:     Randy Dunlap <>,,
        Chuck Lever <>,
        Jeff Layton <>,,
        Christian Brauner <>,
        Alexander Viro <>,, Arnd Bergmann <>
Subject: Re: [PATCH] exportfs: handle CONFIG_EXPORTFS=m also

On Fri, Oct 27, 2023 at 9:01 AM Christoph Hellwig <> wrote:
> On Thu, Oct 26, 2023 at 10:46:06PM +0300, Amir Goldstein wrote:
> > I would much rather turn EXPORTFS into a bool config
> > and avoid the unneeded build test matrix.
> Yes.  Especially given that the defaul on open by handle syscalls
> require it anyway.

Note that those syscalls depend on CONFIG_FHANDLE and the latter
selects EXPORTFS.

Nevertheless, the EXPORTFS=m config seems useless.
I will send a patch to change it.

The bigger issue is that so many of the filesystems that use the
generic export ops do not select EXPORTFS, so it's easier to
leave the generic helper in libfs.c as Arnd suggested.


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