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From: Jakub Sitnicki <jakub@cloudflare.com>
To: Lorenz Bauer <lmb@cloudflare.com>
Cc: Shuah Khan <shuah@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
	linux-kselftest@vger.kernel.org, netdev@vger.kernel.org,
	bpf@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH bpf 1/4] selftests: bpf: use a temporary file in test_sockmap
Date: Fri, 24 Jan 2020 10:20:19 +0100	[thread overview]
Message-ID: <8736c52oto.fsf@cloudflare.com> (raw)
In-Reply-To: <20200123165934.9584-2-lmb@cloudflare.com>

On Thu, Jan 23, 2020 at 05:59 PM CET, Lorenz Bauer wrote:
> Use a proper temporary file for sendpage tests. This means that running
> the tests doesn't clutter the working directory, and allows running the
> test on read-only filesystems.
>
> Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
> ---
>  tools/testing/selftests/bpf/test_sockmap.c | 15 +++++----------
>  1 file changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
> index 4a851513c842..779e11da979c 100644
> --- a/tools/testing/selftests/bpf/test_sockmap.c
> +++ b/tools/testing/selftests/bpf/test_sockmap.c
> @@ -331,7 +331,7 @@ static int msg_loop_sendpage(int fd, int iov_length, int cnt,
>  	FILE *file;
>  	int i, fp;
>
> -	file = fopen(".sendpage_tst.tmp", "w+");
> +	file = tmpfile();
>  	if (!file) {
>  		perror("create file for sendpage");
>  		return 1;

memfd_create() would be an alternative that doesn't clutter anything.

[...]

  parent reply	other threads:[~2020-01-24  9:20 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200123165934.9584-1-lmb@cloudflare.com>
2020-01-23 16:59 ` [PATCH bpf 1/4] selftests: bpf: use a temporary file in test_sockmap Lorenz Bauer
2020-01-23 18:34   ` Martin Lau
2020-01-24 19:50     ` John Fastabend
2020-01-24  9:20   ` Jakub Sitnicki [this message]
2020-01-24 19:43   ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 2/4] selftests: bpf: ignore RST packets for reuseport tests Lorenz Bauer
2020-01-23 17:16   ` Martin Lau
2020-01-23 17:18     ` Lorenz Bauer
2020-01-23 21:53   ` Martin Lau
2020-01-24  9:00     ` Lorenz Bauer
2020-01-24  9:32       ` Daniel Borkmann
2020-01-24 19:45   ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 3/4] selftests: bpf: make reuseport test output more legible Lorenz Bauer
2020-01-23 17:26   ` Martin Lau
2020-01-24 19:46   ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 4/4] selftests: bpf: reset global state between reuseport test runs Lorenz Bauer
2020-01-23 17:56   ` Martin Lau
     [not found] ` <20200124112754.19664-1-lmb@cloudflare.com>
2020-01-24 11:27   ` [PATCH bpf-next v2 1/4] selftests: bpf: use a temporary file in test_sockmap Lorenz Bauer
2020-01-24 11:27   ` [PATCH bpf-next v2 2/4] selftests: bpf: ignore FIN packets for reuseport tests Lorenz Bauer
2020-01-24 11:27   ` [PATCH bpf-next v2 3/4] selftests: bpf: make reuseport test output more legible Lorenz Bauer
2020-01-24 11:27   ` [PATCH bpf-next v2 4/4] selftests: bpf: reset global state between reuseport test runs Lorenz Bauer

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