linux-kernel - Re: [RFC PATCH 05/10] scsi/trace: Use macros for getting driver byte, host byte, msg byte, and status byte

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Message-ID: <53FDE4CA.7090303@suse.de>
Date:	Wed, 27 Aug 2014 16:01:46 +0200
From:	Hannes Reinecke <hare@...e.de>
To:	Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
CC:	linux-scsi@...r.kernel.org,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	yrl.pp-manager.tt@...achi.com, linux-kernel@...r.kernel.org,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>,
	Doug Gilbert <dgilbert@...erlog.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Christoph Hellwig <hch@....de>
Subject: Re: [RFC PATCH 05/10] scsi/trace: Use macros for getting driver byte,
 host byte, msg byte, and status byte

On 08/08/2014 01:50 PM, Yoshihiro YUNOMAE wrote:
> For getting driver byte, host byte, msg byte, and status byte, macros are
> implemented in scsi/scsi.h, so we use it.
>
> Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
> Cc: Hannes Reinecke <hare@...e.de>
> Cc: Doug Gilbert <dgilbert@...erlog.com>
> Cc: Martin K. Petersen <martin.petersen@...cle.com>
> Cc: Christoph Hellwig <hch@....de>
> Cc: "James E.J. Bottomley" <JBottomley@...allels.com>
> Cc: Hidehiro Kawai <hidehiro.kawai.ez@...achi.com>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
> ---
>   include/trace/events/scsi.h |    8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
> index db6c935..8aecdc2 100644
> --- a/include/trace/events/scsi.h
> +++ b/include/trace/events/scsi.h
> @@ -328,10 +328,10 @@ DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
>   		  show_opcode_name(__entry->opcode),
>   		  __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
>   		  __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
> -		  show_driverbyte_name(((__entry->result) >> 24) & 0xff),
> -		  show_hostbyte_name(((__entry->result) >> 16) & 0xff),
> -		  show_msgbyte_name(((__entry->result) >> 8) & 0xff),
> -		  show_statusbyte_name(__entry->result & 0xff))
> +		  show_driverbyte_name(driver_byte(__entry->result)),
> +		  show_hostbyte_name(host_byte(__entry->result)),
> +		  show_msgbyte_name(msg_byte(__entry->result)),
> +		  show_statusbyte_name(status_byte(__entry->result)))
>   );
>
>   DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done,
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
Applied to my scsi logging tree.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@...e.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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