umount2 348 samples/seccomp/user-trap.c if (umount2("/tmp/foo", MNT_DETACH) < 0 && errno != EINVAL) { umount2 245 tools/testing/selftests/filesystems/binderfs/binderfs_test.c ret = umount2("/dev/binderfs", MNT_DETACH); umount2 167 tools/testing/selftests/pidfd/pidfd_test.c (void)umount2("/proc", MNT_DETACH);