[libvirt] [PATCH 3/4] Fix QEMU save/restore with block devices

Daniel P. Berrange berrange at redhat.com
Wed Apr 28 12:49:18 UTC 2010

On Sun, Apr 25, 2010 at 03:04:21AM -0400, Laine Stump wrote:
> On 04/24/2010 12:50 AM, Laine Stump wrote:
> >
> >Is it really necessary to add this padding even when we *aren't* using 
> >dd? (ie, when is_reg == 1).
> Nevermind. Now that I've actual RTFC, I see that this new code *always* 
> use dd.
> However, I just noticed an SELinux complaint about dd attempting to 
> write to a file on an NFS-mounted directory. My system is running 
> SELinux in permissive mode, so it succeeded, but won't this be a problem 
> if it's in enforcing mode?

If there is a SELinux problem I don't think it can be related to this
patch. Both before & after this change we're running a child process
to actually write the data. Previously cat, now dd. So SELinux would
impact them equally badly/well.

|: Red Hat, Engineering, London    -o-   http://people.redhat.com/berrange/ :|
|: http://libvirt.org -o- http://virt-manager.org -o- http://deltacloud.org :|
|: http://autobuild.org        -o-         http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505  -o-   F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|

More information about the libvir-list mailing list