init_uns 28 tools/testing/selftests/nsfs/owner.c int pfd[2], ns, uns, init_uns; init_uns 74 tools/testing/selftests/nsfs/owner.c init_uns = ioctl(uns, NS_GET_USERNS); init_uns 78 tools/testing/selftests/nsfs/owner.c if (ioctl(init_uns, NS_GET_USERNS) >= 0 || errno != EPERM) init_uns 86 tools/testing/selftests/nsfs/owner.c if (ioctl(init_uns, NS_GET_USERNS) >= 0 || errno != EPERM)