linux-kernel - Re: [PATCH 0/5] SCSI and FireWire: fix/add START STOP UNIT for SBP-2 disks

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Message-ID: <4830925B.5010802@s5r6.in-berlin.de>
Date:	Sun, 18 May 2008 22:32:27 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	linux-scsi@...r.kernel.org
CC:	linux1394-devel@...ts.sourceforge.net,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] SCSI and FireWire: fix/add START STOP UNIT for	SBP-2
 disks

Tino Keitel wrote:
> Now I need to figure out how to get the Firewire disk to spin down
> using HAL. It looks like HAL just uses /usr/bin/eject, which just sends
> a START STOP UNIT command without power conditions set, so the kernel
> can't do anything here.

What if you teach hal to unbind sd from the respective scsi_device?
"echo -n 123:0:0:0 > /sys/bus/scsi/drivers/sd/unbind" is a manual way to 
do it.  And the "bind" file does the reverse.

Or replace /usr/bin/eject by a shell script of yours which calls 
sg_start when you need it to...
-- 
Stefan Richter
-=====-==--- -=-= =--=-
http://arcgraph.de/sr/
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