New files:
tools/testing/selftests/bpf/progs/file_reader.c
tools/testing/selftests/bpf/prog_tests/file_reader.c
tools/testing/selftests/bpf/progs/file_reader_fail.c

Modified files:

format check ignoring tools/testing/selftests/bpf/progs/file_reader.c
format check ignoring tools/testing/selftests/bpf/prog_tests/file_reader.c
format check ignoring tools/testing/selftests/bpf/progs/file_reader_fail.c
git grep --exit-code tools/testing/selftests/bpf/progs/file_reader --- tools/testing/selftests/bpf/progs/Makefile:: 129
git grep --exit-code tools/testing/selftests/bpf/prog_tests/file_reader --- tools/testing/selftests/bpf/prog_tests/Makefile:: 129
git grep --exit-code tools/testing/selftests/bpf/progs/file_reader_fail --- tools/testing/selftests/bpf/progs/Makefile:: 129
git grep --exit-code tools/testing/selftests/bpf/progs/file_reader --- tools/testing/selftests/bpf/progs/.gitignore:: 129
git grep --exit-code tools/testing/selftests/bpf/prog_tests/file_reader --- tools/testing/selftests/bpf/prog_tests/.gitignore:: 129
git grep --exit-code tools/testing/selftests/bpf/progs/file_reader_fail --- tools/testing/selftests/bpf/progs/.gitignore:: 129