Re: [PATCH 2/2] scsi: add scsi trace core function and put tracepoints

From: Christoph Hellwig
Date: Wed Jan 20 2010 - 03:38:37 EST

On Wed, Jan 20, 2010 at 02:58:34AM -0500, Martin K. Petersen wrote:
> >>>>> "Kei" == Kei Tokunaga <tokunaga.keiich@xxxxxxxxxxxxxx> writes:
> + TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s) "
> ^^^^^^^^^^
> I'm not sure anybody cares about channels in this millennium so that may
> be a waste of space.

IT;s still used for adressing things internally. E.g. in sas we
typically map ports to them.

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