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From: James Bottomley <James.Bottomley@SteelEye.com>
To: "Bagalkote, Sreenivas" <sreenib@lsil.com>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH 2/2] RE: How to add/drop SCSI drives from within the drive r?
Date: Thu, 09 Dec 2004 20:24:41 -0600	[thread overview]
Message-ID: <1102645481.3814.5.camel@mulgrave> (raw)
In-Reply-To: <0E3FA95632D6D047BA649F95DAB60E570230CAA0@exa-atlanta>

On Thu, 2004-12-09 at 20:21 -0500, Bagalkote, Sreenivas wrote:
> +i.	Introduced driver ioctl that returns scsi address for a given ld.
> +	
> +	"Why can't the existing sysfs interfaces be used to do this?"
> +		- Brian King (brking@us.ibm.com)
> +	
> +	"I've looked into solving this another way, but I cannot see how
> +	to get this driver-private mapping of logical drive number-> HCTL
> +	without putting code something like this into the driver."

OK now I look at the code, I have another suggestion.  Why not simply
publish the logical drive number as an extra file in the device sysfs
directory?  That way you can get your C:H:T:L, go to the end of the tree
and cat megaraid_sd (or whatever you want to call it).

James



  reply	other threads:[~2004-12-10  2:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-10  1:21 [PATCH 2/2] RE: How to add/drop SCSI drives from within the drive r? Bagalkote, Sreenivas
2004-12-10  2:24 ` James Bottomley [this message]
2004-12-10  4:15   ` Matt Domsch

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