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

[Ewan Milne]

On Fri, 2014-08-08 at 11:50 +0000, 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@xxxxxxxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxx>
> Cc: Doug Gilbert <dgilbert@xxxxxxxxxxxx>
> Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx>
> Cc: Hidehiro Kawai <hidehiro.kawai.ez@xxxxxxxxxxx>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
> ---
>  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,
> 
> --
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(Based upon Hannes' logging tree...)

Hannes, you should probably just update your tree with this.

Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>

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