Re: [MAINTAINERS/KERNEL SUMMIT] Trust and maintenance of file systems

Dave Chinner
2023-09-11T01:05:13Z

On Sat, Sep 09, 2023 at 06:42:30PM -0400, Kent Overstreet wrote:
> On Sat, Sep 09, 2023 at 08:50:39AM -0400, James Bottomley wrote:
> > So why can't we figure out that easier way? What's wrong with trying to
> > figure out if we can do some sort of helper or library set that assists
> > supporting and porting older filesystems. If we can do that it will not
> > only make the job of an old fs maintainer a lot easier, but it might
> > just provide the stepping stones we need to encourage more people climb
> > up into the modern VFS world.
>
> What if we could run our existing filesystem code in userspace?

You mean like lklfuse already enables?

https://github.com/lkl/linux

Looks like the upstream repo is currently based on 6.1, so there's
already a mechanism to use relatively recent kernel filesystem
implementations as a FUSE filesystem without needed to support a
userspace code base....

Cheers,

Dave.
--
Dave Chinner
david@fromorbit.com