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Message-ID: <CAEf4Bzbn_m8HUmvkBwK9t3-CkO+gz4SvAvMsO7aUQ49v3skh=w@mail.gmail.com>
Date: Thu, 14 May 2020 15:48:20 -0700
From: Andrii Nakryiko <andrii.nakryiko@...il.com>
To: Jiri Olsa <jolsa@...nel.org>
Cc: Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Wenbo Zhang <ethercflow@...il.com>,
Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
Yonghong Song <yhs@...com>, Martin KaFai Lau <kafai@...com>,
David Miller <davem@...hat.com>,
John Fastabend <john.fastabend@...il.com>,
Jesper Dangaard Brouer <hawk@...nel.org>,
KP Singh <kpsingh@...omium.org>,
Andrii Nakryiko <andriin@...com>,
Brendan Gregg <bgregg@...flix.com>,
Florent Revest <revest@...omium.org>,
Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH 8/9] selftests/bpf: Add test for d_path helper
On Wed, May 6, 2020 at 6:32 AM Jiri Olsa <jolsa@...nel.org> wrote:
>
> Adding test for d_path helper which is pretty much
> copied from Wenbo Zhang's test for bpf_get_fd_path,
> which never made it in.
>
> I've failed so far to compile the test with <linux/fs.h>
> kernel header, so for now adding 'struct file' with f_path
> member that has same offset as kernel's file object.
>
Switch to using vmlinux.h? It would also be nice to use skeletons
instead of bpf_object__xxx API.
> Original-patch-by: Wenbo Zhang <ethercflow@...il.com>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
> .../testing/selftests/bpf/prog_tests/d_path.c | 196 ++++++++++++++++++
> .../testing/selftests/bpf/progs/test_d_path.c | 71 +++++++
> 2 files changed, 267 insertions(+)
> create mode 100644 tools/testing/selftests/bpf/prog_tests/d_path.c
> create mode 100644 tools/testing/selftests/bpf/progs/test_d_path.c
>
[...]
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