NS_MNT_GET_INFO
case _IOC_NR(NS_MNT_GET_INFO):
return extensible_ioctl_valid(cmd, NS_MNT_GET_INFO, MNT_NS_INFO_SIZE_VER0);
case _IOC_NR(NS_MNT_GET_INFO): {
ret = ioctl(mntns, NS_MNT_GET_INFO, &mni);
#ifndef NS_MNT_GET_INFO
ret = ioctl(fd_mntns, NS_MNT_GET_INFO, &info);
ASSERT_EQ(ioctl(self->fd_mnt_ns[i], NS_MNT_GET_INFO, &info), 0);