linux-kernel - Re: [PATCH] selftests: splice: Add splice

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Message-ID: <c15802a1-088f-468c-afe7-fedb374bce89@linuxfoundation.org>
Date: Fri, 30 Aug 2024 06:37:48 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Rong Tao <rtoax@...mail.com>, shuah@...nel.org
Cc: rongtao@...tc.cn, open list <linux-kernel@...r.kernel.org>,
 "open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>,
 Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] selftests: splice: Add splice_read.sh and hint

On 8/27/24 21:40, Rong Tao wrote:
> From: Rong Tao <rongtao@...tc.cn>
> 
> Add test scripts and prompts.

Can you give more details on what these scripts and prompts do?

> 
> Signed-off-by: Rong Tao <rongtao@...tc.cn>
> ---
>   tools/testing/selftests/splice/splice_read.c  | 1 +
>   tools/testing/selftests/splice/splice_read.sh | 9 +++++++++
>   2 files changed, 10 insertions(+)
>   create mode 100755 tools/testing/selftests/splice/splice_read.sh
> 
> diff --git a/tools/testing/selftests/splice/splice_read.c b/tools/testing/selftests/splice/splice_read.c
> index 46dae6a25cfb..194b075f6bc0 100644
> --- a/tools/testing/selftests/splice/splice_read.c
> +++ b/tools/testing/selftests/splice/splice_read.c
> @@ -49,6 +49,7 @@ int main(int argc, char *argv[])
>   		      size, SPLICE_F_MOVE);
>   	if (spliced < 0) {
>   		perror("splice");
> +		fprintf(stderr, "May try: %s /etc/os-release | cat\n", argv[0]);

Is this supposed to be usage or help message?

>   		return EXIT_FAILURE;
>   	}
>   
> diff --git a/tools/testing/selftests/splice/splice_read.sh b/tools/testing/selftests/splice/splice_read.sh
> new file mode 100755
> index 000000000000..10fd5d738a2d
> --- /dev/null
> +++ b/tools/testing/selftests/splice/splice_read.sh
> @@ -0,0 +1,9 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL-2.0
> +set -e
> +nl=$(./splice_read /etc/os-release | wc -l)
> +
> +test "$nl" != 0 && exit 0
> +
> +echo "splice_read broken"
> +exit 1

thanks,
-- Shuah