Re: [PATCH] MAINTAINERS: add myself as UFS filesystem maintainer

On Mon 03-08-26 09:44:10, Ali Ahmet Memis wrote:
> On Mon, Aug 03, 2026 at 10:57:14AM +0200, Jan Kara wrote:
> > I'm a bit curious: Are you using UFS driver in Linux? Or do you know of
> > anybody using it?
> 
> Yes. I run FreeBSD on a second machine that I keep as a small server, and
> its disks are UFS2. I mount those from my Linux box with the in-tree ufs
> driver to read data off them, which on Linux is read-only for UFS2. So the
> driver is not theoretical for me, it is how I reach my own data.

Cool! When real users are fixing what they are using the results are
usually better than if it is just "close a couple of syzbot bugs" :).

> More generally that is what the driver is for: reading FreeBSD, NetBSD,
> OpenBSD and Solaris disks from Linux. Anyone dual booting a BSD, migrating
> data off one, or doing recovery or forensics on a BSD or Solaris volume
> ends up here. It is a small user base but not an empty one, and it is the
> only in-tree way to do it.

Yep, I was expecting some real users still do exist but I didn't hear about
anybody for a long time :).

> That is also why the mount path bugs bother me. The images I feed it are
> real BSD volumes, sometimes left unclean after a crash, so an unusual but
> legitimate on-disk layout should not panic the kernel. The fixes I have
> been sending are all in that parse and mount path.

Sure.

								Honza
-- 
Jan Kara <[email protected]>
SUSE Labs, CR