Re: [libvirt] [PATCHv2 6/7] lxc: add virProcessRunInMountNamespace

On Mon, Dec 23, 2013 at 10:55:50PM -0700, Eric Blake wrote: [..snip..] > + if (virAsprintf(&path, "/proc/%llu/ns/mnt", (unsigned long long)pid) < 0) > + goto cleanup; > + > + if ((fd = open(path, O_RDONLY)) < 0) { > + virReportSystemError(errno, "%s", > + _("Kernel does not provide mount namespace")); > + goto cleanup; > + } So in case mount namespaces are unavailable we'll fail these operations entirely? I think this is the right thing to do but it will break distros that have a too old kernel. So shutting down of containers will no longer work (as it did before).