On 20/12/12 19:22, Neil Horman wrote: > case 'm': > - unshare_flags |= CLONE_NEWNS; > + ns = "mount"; > + if (!optarg) > + unshare_flags |= CLONE_NEWNS; > break; Is this right? I don't have a /proc/<task>/ns/mount locally nor is it documented in http://git.kernel.org/?p=docs/man-pages/man-pages.git;a=blob;f=man5/proc.5 However looking at http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=fs/proc/namespaces.c there is a reference to mntns_operations, which is defined in http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=blob;f=fs/proc/namespaces.c but seems to be called "mnt", not "mount" There are also pid and user namespaces there, but support for those are better handled in a different patch IMHO. > + sprintf(path, "/proc/%d/ns/%s", (int)pid, ns); > + ns_pids[nscount] = open(path, O_RDONLY); > + if (ns_pids[nscount] < 0) > + err(EXIT_FAILURE, _("could not open %s"), path); > + nscount++; What about err(EXIT_FAILURE, _("The kernel doesn't seem to support %s migrations: could not open %s"), ns, path); ? Mention in the man page the kernel version from which each namespace can be migrated. -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
