MAINTAINERS: take over vboxsf from Hans de Goede

MAINTAINERS: take over vboxsf from Hans de Goede

[Jori Koolstra]

I talked to Hans de Goede about two weeks ago in person. He expressed he
would rather have someone else maintain vboxsf and was thinking about
orphaning it. Since I am already doing filesystem stuff anyway, I am
fine with doing this. (vboxsf is a thin layer between the vfs and the
Virtual Box guest device driver).

I have no major plans for vboxsf, but I do want to support passing
physical addresses to the host; the communication protocol seems to
allow for it and it would mean we can get rid of some kmap calls.

Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>
---
 MAINTAINERS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index c8d4b913f26c..0b75202eb9c6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -28390,7 +28390,7 @@ F:	include/linux/vbox_utils.h
 F:	include/uapi/linux/vbox*.h
 
 VIRTUAL BOX SHARED FOLDER VFS DRIVER
-M:	Hans de Goede <hansg@kernel.org>
+M:	Jori Koolstra <jkoolstra@xs4all.nl>
 L:	linux-fsdevel@vger.kernel.org
 S:	Maintained
 F:	fs/vboxsf/*
-- 
2.54.0

Re: MAINTAINERS: take over vboxsf from Hans de Goede

[Jori Koolstra]

> Op 14-06-2026 21:10 CEST schreef Jori Koolstra <jkoolstra@xs4all.nl>:
> 
>  
> I talked to Hans de Goede about two weeks ago in person. He expressed he
> would rather have someone else maintain vboxsf and was thinking about
> orphaning it. Since I am already doing filesystem stuff anyway, I am
> fine with doing this. (vboxsf is a thin layer between the vfs and the
> Virtual Box guest device driver).
> 
> I have no major plans for vboxsf, but I do want to support passing
> physical addresses to the host; the communication protocol seems to
> allow for it and it would mean we can get rid of some kmap calls.
> 
> Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>
> ---
>  MAINTAINERS | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index c8d4b913f26c..0b75202eb9c6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -28390,7 +28390,7 @@ F:	include/linux/vbox_utils.h
>  F:	include/uapi/linux/vbox*.h
>  
>  VIRTUAL BOX SHARED FOLDER VFS DRIVER
> -M:	Hans de Goede <hansg@kernel.org>
> +M:	Jori Koolstra <jkoolstra@xs4all.nl>
>  L:	linux-fsdevel@vger.kernel.org
>  S:	Maintained
>  F:	fs/vboxsf/*
> -- 
> 2.54.0

Forgot to cc this to linux-fsdevel@vger.kernel.org, my apologies.

Re: MAINTAINERS: take over vboxsf from Hans de Goede

[Matthew Wilcox]

On Sun, Jun 14, 2026 at 09:11:45PM +0200, Jori Koolstra wrote:
> > Op 14-06-2026 21:10 CEST schreef Jori Koolstra <jkoolstra@xs4all.nl>:
> > I have no major plans for vboxsf, but I do want to support passing
> > physical addresses to the host; the communication protocol seems to
> > allow for it and it would mean we can get rid of some kmap calls.

I would love that.  I looked at doing it when I did e300830fcc40
(convert to writepages), but it was a little beyond me.  I really didn't
want to try to do it without having a way to test it.

Any chance you could also add large folio support?  I don't think it
should be much extra work once you've done physical address support.

Re: MAINTAINERS: take over vboxsf from Hans de Goede

[Hans de Goede]

Hi Jori, et al.,

On 14-Jun-26 21:10, Jori Koolstra wrote:
> I talked to Hans de Goede about two weeks ago in person. He expressed he
> would rather have someone else maintain vboxsf and was thinking about
> orphaning it. Since I am already doing filesystem stuff anyway, I am
> fine with doing this. (vboxsf is a thin layer between the vfs and the
> Virtual Box guest device driver).
> 
> I have no major plans for vboxsf, but I do want to support passing
> physical addresses to the host; the communication protocol seems to
> allow for it and it would mean we can get rid of some kmap calls.
> 
> Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>

Right, as Jori said I really haven't had time to work on this
for the last year(s) so I was considering orphaning this.

I'm happy to see someone else take this over:

Acked-by: Hans de Goede <johannes.goede@oss.qualcomm.com>

Regards,

Hans




> ---
>  MAINTAINERS | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index c8d4b913f26c..0b75202eb9c6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -28390,7 +28390,7 @@ F:	include/linux/vbox_utils.h
>  F:	include/uapi/linux/vbox*.h
>  
>  VIRTUAL BOX SHARED FOLDER VFS DRIVER
> -M:	Hans de Goede <hansg@kernel.org>
> +M:	Jori Koolstra <jkoolstra@xs4all.nl>
>  L:	linux-fsdevel@vger.kernel.org
>  S:	Maintained
>  F:	fs/vboxsf/*

Re: MAINTAINERS: take over vboxsf from Hans de Goede

[Christian Brauner]

On Sun, 14 Jun 2026 21:10:40 +0200, Jori Koolstra wrote:
> I talked to Hans de Goede about two weeks ago in person. He expressed he
> would rather have someone else maintain vboxsf and was thinking about
> orphaning it. Since I am already doing filesystem stuff anyway, I am
> fine with doing this. (vboxsf is a thin layer between the vfs and the
> Virtual Box guest device driver).
> 
> I have no major plans for vboxsf, but I do want to support passing
> physical addresses to the host; the communication protocol seems to
> allow for it and it would mean we can get rid of some kmap calls.
> 
> [...]

Applied to the vfs.fixes branch of the vfs/vfs.git tree.
Patches in the vfs.fixes branch should appear in linux-next soon.

Please report any outstanding bugs that were missed during review in a
new review to the original patch series allowing us to drop it.

It's encouraged to provide Acked-bys and Reviewed-bys even though the
patch has now been applied. If possible patch trailers will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. If in doubt, please check the listed branch.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
branch: vfs.fixes

[1/1] MAINTAINERS: take over vboxsf from Hans de Goede
      https://git.kernel.org/vfs/vfs/c/a257368561f0

Re: MAINTAINERS: take over vboxsf from Hans de Goede

[Jori Koolstra]

> Op 14-06-2026 22:19 CEST schreef Matthew Wilcox <willy@infradead.org>:
> 
>  
> On Sun, Jun 14, 2026 at 09:11:45PM +0200, Jori Koolstra wrote:
> > > Op 14-06-2026 21:10 CEST schreef Jori Koolstra <jkoolstra@xs4all.nl>:
> > > I have no major plans for vboxsf, but I do want to support passing
> > > physical addresses to the host; the communication protocol seems to
> > > allow for it and it would mean we can get rid of some kmap calls.
> 
> I would love that.  I looked at doing it when I did e300830fcc40
> (convert to writepages), but it was a little beyond me.  I really didn't
> want to try to do it without having a way to test it.

I have a Windows and Linux box with VBox installed, and I have created a
simple Alpine bootstrapper on which to run basic tests within VBox. I use
the vboxsf to move the host compiled modules to the guest (the driver and
vboxsf itself). I still have to think a bit if there is any reasonable
automated way to run tests on the guest side. xfstests probably aren't 
very suitable here, because we don't control how VBox itself responds to
incoming requests. But maybe it has some sub-collection that will run. I
have to look into that.

> 
> Any chance you could also add large folio support?  I don't think it
> should be much extra work once you've done physical address support.

Yes, I'll look into that as well. If I have any memory related questions
can I ask you?

Thanks!
Jori.