[LTP] [PATCH 5/5] Add test for data integrity over NFS

[Petr Vorel]

> Hi!

> > I'm looking at the nfs_lib.sh, we do have a lot there actually since it
> > runs for all filesystems and we run the nfs tests for different nfs
> > versions as well. This does not seem that would integrate well into the
> > tst_test all_filesystems testing.

Yes (found that as well when replied to your first email).
I thought you want to integrate NFS just for a shake of other tests, which use
.all_filesystems (e.g. some NFS to be added into fs_type_whitelist[], e.g.
"nfsv4), which would of course require u specific setup.

That would, of course did not cover all range of NFS versions + also using UDP,
which is used for current NFS tests (including this one).

> > I will think a bit how to integrate things better, because having LTP
> > test inside LTP test will never work well.

Reviewed-by: Petr Vorel <pvorel@suse.cz>
Tested-by: Petr Vorel <pvorel@suse.cz>

Looks usable + later on tests which use netstress.c could be converted to use it
as well.

Kind regards,
Petr

> So one posibility is to use the new shell test library that integrates
> cleanly with C, then we can have a shell nfs test that runs for all
> filesystems, mounts the nfs and then runs the C fsplough itself.

> Minimal example how to do that is:

> From b48184d4fa1918afe6c84d0e691f8d46c986e92c Mon Sep 17 00:00:00 2001
> From: Cyril Hrubis <chrubis@suse.cz>
> Date: Mon, 4 Nov 2024 14:29:24 +0100
> Subject: [PATCH] shell lib: Add example how to run C child

> Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
> ---
>  testcases/lib/run_tests.sh                  |  2 +-
>  testcases/lib/tests/.gitignore              |  1 +
>  testcases/lib/tests/shell_c_child.c         | 16 ++++++++++++++
>  testcases/lib/tests/shell_loader_c_child.sh | 24 +++++++++++++++++++++
>  4 files changed, 42 insertions(+), 1 deletion(-)
>  create mode 100644 testcases/lib/tests/shell_c_child.c
>  create mode 100755 testcases/lib/tests/shell_loader_c_child.sh

> diff --git a/testcases/lib/run_tests.sh b/testcases/lib/run_tests.sh
> index 8ea615f96..40d415e6c 100755
> --- a/testcases/lib/run_tests.sh
> +++ b/testcases/lib/run_tests.sh
> @@ -14,7 +14,7 @@ for i in shell_loader.sh shell_loader_all_filesystems.sh shell_loader_no_metadat
>  	 shell_loader_wrong_metadata.sh shell_loader_invalid_metadata.sh\
>  	 shell_loader_supported_archs.sh shell_loader_filesystems.sh\
>  	 shell_loader_tcnt.sh shell_loader_kconfigs.sh shell_loader_tags.sh \
> -	 shell_loader_invalid_block.sh; do
> +	 shell_loader_invalid_block.sh shell_loader_c_child.sh; do
>  	echo
>  	echo "*** Running $i ***"
>  	echo
> diff --git a/testcases/lib/tests/.gitignore b/testcases/lib/tests/.gitignore
> index da967c4d6..e9e163d13 100644
> --- a/testcases/lib/tests/.gitignore
> +++ b/testcases/lib/tests/.gitignore
> @@ -4,3 +4,4 @@ shell_test03
>  shell_test04
>  shell_test05
>  shell_test06
> +shell_c_child
> diff --git a/testcases/lib/tests/shell_c_child.c b/testcases/lib/tests/shell_c_child.c
> new file mode 100644
> index 000000000..fda5133a6
> --- /dev/null
> +++ b/testcases/lib/tests/shell_c_child.c
> @@ -0,0 +1,16 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +/*
> + * Shell test C child example.
> + */
> +
> +#define TST_NO_DEFAULT_MAIN
> +#include "tst_test.h"
> +
> +int main(void)
> +{
> +	tst_reinit();
> +
> +	tst_res(TPASS, "C child works fine!");
> +
> +	return 0;
> +}
> diff --git a/testcases/lib/tests/shell_loader_c_child.sh b/testcases/lib/tests/shell_loader_c_child.sh
> new file mode 100755
> index 000000000..d190be6e2
> --- /dev/null
> +++ b/testcases/lib/tests/shell_loader_c_child.sh
> @@ -0,0 +1,24 @@
> +#!/bin/sh
> +#
> +# ---
> +# doc
> +#
> +# [Description]
> +#
> +# This is an example how to run C child from shell.
> +# ---
> +#
> +# ---
> +# env
> +# {
> +# }
> +# ---
> +
> +. tst_loader.sh
> +
> +if [ -n "LTP_IPC_PATH" ]; then
> +	tst_res TPASS "LTP_IPC_PATH=$LTP_IPC_PATH!"
> +fi
> +
> +tst_res TINFO "Running C child"
> +shell_c_child