Re: [Qemu-devel] Idea: fuse-kvm filesystem

[Avi Kivity]

On 05/10/2012 03:37 PM, Alex Bradbury wrote:
> On 10 May 2012 13:29, Avi Kivity <address@hidden> wrote:
> > Currently when you mount a filesystem, you face two issues:
> > - you have to be root
> > - if the media is untrusted, it can exploit your kernel
> >
> > With kvm and fuse, we can have a virtualized kernel mount the
> > filesystem, and re-export to the host, which mounts it using a fuse
> > interface.  This solves both problems, at the expense of speed and
> > simplicity.  In theory this can be used for mounting untrusted USB
> > sticks (perhaps only for the less well tested filesystems).
>
> Is this not one of the many features of guestfs? At least, I'm not
> sure I understand from your description how it's different.
>
> http://libguestfs.org/guestmount.1.html

It is a subset of guestmount, libguestfs rocks.

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