linux-kernel - Re: [PATCH 13/60] staging: lustre: obdclass: health

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Message-ID: <20170130120352.GC6881@mwanda>
Date:   Mon, 30 Jan 2017 15:03:52 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     James Simmons <jsimmons@...radead.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Andreas Dilger <andreas.dilger@...el.com>,
        Oleg Drokin <oleg.drokin@...el.com>,
        Bruno Faccini <bruno.faccini@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lustre Development List <lustre-devel@...ts.lustre.org>
Subject: Re: [PATCH 13/60] staging: lustre: obdclass: health_check to report
 unhealthy upon LBUG

Wat?

I'm sorry but this patch makes no sense at all.

On Sat, Jan 28, 2017 at 07:04:41PM -0500, James Simmons wrote:
> From: Bruno Faccini <bruno.faccini@...el.com>
> 
> When a LBUG has occurred, without panic_on_lbug being set,
> health_check sysfs file must return an unhealthy state.

Why?

> 
> Signed-off-by: Bruno Faccini <bruno.faccini@...el.com>
> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7486
> Reviewed-on: http://review.whamcloud.com/17981
> Reviewed-by: Bobi Jam <bobijam@...mail.com>
> Reviewed-by: Niu Yawei <yawei.niu@...el.com>
> Reviewed-by: James Simmons <uja.ornl@...oo.com>
> Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
> Signed-off-by: James Simmons <jsimmons@...radead.org>
> ---
>  drivers/staging/lustre/lustre/obdclass/linux/linux-module.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
> index 22e6d1f..ef25db6 100644
> --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
> +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
> @@ -224,8 +224,10 @@ static ssize_t pinger_show(struct kobject *kobj, struct attribute *attr,
>  	int i;
>  	size_t len = 0;
>  
> -	if (libcfs_catastrophe)
> -		return sprintf(buf, "LBUG\n");
> +	if (libcfs_catastrophe) {
> +		len = sprintf(buf, "LBUG\n");

This line is dead code, now.

> +		healthy = false;
> +	}
>  

regards,
dan carpenter