linux-kernel - Re: [PATCH v3 3/3] lib/test_crc: Add test cases for crc calculation

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Date:   Tue, 17 Jul 2018 09:57:28 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Coly Li <colyli@...e.de>, linux-kernel@...r.kernel.org
Cc:     linux-bcache@...r.kernel.org, linux-block@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>
Subject: Re: [PATCH v3 3/3] lib/test_crc: Add test cases for crc calculation

Hi,

On 07/17/2018 07:55 AM, Coly Li wrote:

> diff --git a/lib/test_crc.c b/lib/test_crc.c
> new file mode 100644
> index 000000000000..441bf835fbd3
> --- /dev/null
> +++ b/lib/test_crc.c
> @@ -0,0 +1,138 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * CRC test driver
> + *
> + * Copyright (C) 2018 Coly Li <colyli@...e.de>
> + *

> +
> +static int __init test_crc_init(void)
> +{
> +	int i;
> +	int v, err = 0;
> +
> +	pr_info("Kernel CRC consitency testing:\n");

	                    consistency

> +	for (i = 0; test_data[i].name; i++) {
> +		v = test_data[i].handler(&test_data[i]);
> +		if (v < 0)
> +			err++;
> +	}
> +
> +	if (err == 0)
> +		pr_info("test_crc: all %d tests passed\n", i);
> +	else
> +		pr_err("test_crc: %d cases tested, %d passed, %d failed\n",
> +		       i, i - err, err);
> +
> +	return (err == 0) ? 0 : -EINVAL;
> +}


-- 
~Randy