On 07/19/11 15:23, Stefan Hajnoczi wrote: > On Tue, Jul 19, 2011 at 8:24 AM, Jes Sorensen <jes.soren...@redhat.com> wrote: >> On 07/18/11 16:08, Stefan Hajnoczi wrote: >>> On Fri, Jul 15, 2011 at 3:58 PM, Jes Sorensen <jes.soren...@redhat.com> >>> wrote: >>>> I have been updating the live snapshot wiki for qemu to try and cover >>>> the commands we will want for async snapshot handling too. >>>> >>>> http://wiki.qemu.org/Features/Snapshots >>> >>> Regarding fd passing, do we even support SELinux today with backing files? >> >> Not sure I understand what you mean. The current code should be happy to >> take an existing file or a raw device for the snapshot. > > Sorry, I was off on a tangent. > > I think today QEMU does not support opening image files with a backing > file purely using file descriptors. We currently require the ability > to open files.
I see what you mean - I don't actually know how that would work, since the backing file specified in the front image will be a file name. Eric, what happens if libvirt in an selinux environment tells QEMU to launch using an image file that is backed by backing file(s)? Cheers, Jes
