RE: [PATCH 01/06] mptfusion: Added new sysfs parameters for handle, sas_addr and handles

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> -----Original Message-----
> From: James Bottomley [mailto:James.Bottomley@xxxxxxxxxxxxxxxxxxxxx]
> Sent: Thursday, February 03, 2011 11:04 PM
> To: Desai, Kashyap
> Cc: linux-scsi@xxxxxxxxxxxxxxx; Moore, Eric; Prakash, Sathya
> Subject: Re: [PATCH 01/06] mptfusion: Added new sysfs parameters for
> handle, sas_addr and handles
> 
> On Thu, 2011-02-03 at 15:29 +0530, Kashyap, Desai wrote:
> > New feature is added. sas_address, sad_device_hanlde and firmware id
> will be visible from
> > sysfs parameters.
> 
> Well, sas_address, no ... it's already part of the phy properties of
> the
> sas transport class.


James,
I agree on this point.

> 
> Why handle and firmware_id ... they're fairly irrelevant properties of
> the internal firmware ... so what's the point in exposing them
> externally?

This is mainly for debugging in case if device is not mapped to correct handle and fw_id (which are completely LSI firmware's internal).
This was raised by few customers who really wanted to watch handles and fw_id of LSI firmware through sysfs.

~ Kashyap

> 
> James
> 

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