[lxc-users] How do you mount this file as an lxc rootfs?

[Serge E. Hallyn]

Quoting John Lewis (oflameo2 at gmail.com):
> On 06/25/2016 06:38 PM, Serge E. Hallyn wrote:
> > On Sat, Jun 25, 2016 at 03:20:08PM -0400, John Lewis wrote:
> >> On 06/20/2016 11:51 AM, Serge E. Hallyn wrote:
> >>> The pre-mount hook runs in the container's mount namespace but before
> >>> mounting the rootfs.  So the fs you mount only shows up in the container's
> >>> namespace, not on the host.  Auto-cleanup is just a nice bonus.  I would
> >>> have been not entirely surprised if the loopdev remained attached, happy
> >>> to see it apparently gets cleaned up.
> >>>
> >>> _______________________________________________
> >>> lxc-users mailing list
> >>> lxc-users at lists.linuxcontainers.org
> >>> http://lists.linuxcontainers.org/listinfo/lxc-users
> >> Is the pre-start and pre-mount hooks the standard way of mounting a lxc
> >> root filesystem,
> > No.  But iirc you're not using it to mount the rootfs, but to mount  the
> > thing which contains the rootfs.
> >
> 
> Would making the rootfs the root of the filesystem image potentially
> give me more options for how I mount it?

Yes.  Though as long as you have a working solution with no downsides,
you don't really need more :)  But you can use loop: or even nbd:.