diff options
| author | Josef Bacik <jbacik@fb.com> | 2017-12-11 11:36:49 -0500 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2017-12-12 09:02:40 -0800 |
| commit | 965de87e54b803223bff703ea6b2a76c056695ae (patch) | |
| tree | 43f90acde38704b6831d3819ce0bffee092eade4 /samples/bpf/test_override_return.sh | |
| parent | 9802d86585db91655c7d1929a4f6bbe0952ea88e (diff) | |
samples/bpf: add a test for bpf_override_return
This adds a basic test for bpf_override_return to verify it works. We
override the main function for mounting a btrfs fs so it'll return
-ENOMEM and then make sure that trying to mount a btrfs fs will fail.
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'samples/bpf/test_override_return.sh')
| -rwxr-xr-x | samples/bpf/test_override_return.sh | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/samples/bpf/test_override_return.sh b/samples/bpf/test_override_return.sh new file mode 100755 index 000000000000..e68b9ee6814b --- /dev/null +++ b/samples/bpf/test_override_return.sh @@ -0,0 +1,15 @@ +#!/bin/bash + +rm -f testfile.img +dd if=/dev/zero of=testfile.img bs=1M seek=1000 count=1 +DEVICE=$(losetup --show -f testfile.img) +mkfs.btrfs -f $DEVICE +mkdir tmpmnt +./tracex7 $DEVICE +if [ $? -eq 0 ] +then + echo "SUCCESS!" +else + echo "FAILED!" +fi +losetup -d $DEVICE |