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From: Tejun Heo <htejun@gmail.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: "Darrick J. Wong" <djwong@us.ibm.com>,
	James.Bottomley@SteelEye.com, hmh@hmh.eng.br,
	linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] sd: implement stop_on_shutdown
Date: Sat, 20 Jan 2007 18:59:59 +0900	[thread overview]
Message-ID: <45B1E81F.5060107@gmail.com> (raw)
In-Reply-To: <45B1E5D3.90101@pobox.com>

Jeff Garzik wrote:
> Tejun Heo wrote:
>> For ATA, it's currently being done inside libata proper (a bit ugly).
>> It would be nice to have those implemented at sd layer but I wonder how
>> useful it's going to be for actual SCSI devices.  Do people actually
>> suspend using SCSI?  If it's useful at the SCSI layer, I can implement
>> and test it with SATA devices here.
> 
> There is always the open question for multi-initiator SCSI devices, as
> to who "owns" the SCSI device.  Some devices should be suspended/stopped
> when the machine is suspended/stopped, others not.

I think that can be handled similarly as stop_on_shutdown on kernel side
and let udev and friends deal with the specifics.

Thanks.

-- 
tejun

  reply	other threads:[~2007-01-20  9:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-19 17:01 [PATCH] sd: implement stop_on_shutdown Tejun Heo
2007-01-19 23:34 ` Douglas Gilbert
2007-01-20  3:18   ` Tejun Heo
2007-01-21 22:47     ` Stefan Richter
2007-01-19 23:42 ` Darrick J. Wong
2007-01-20  3:22   ` Tejun Heo
2007-01-20  9:50     ` Jeff Garzik
2007-01-20  9:59       ` Tejun Heo [this message]
2007-01-20 14:39       ` James Bottomley
2007-01-20 14:39     ` James Bottomley
2007-02-05  9:43       ` Tejun Heo
2007-02-05 14:55         ` James Bottomley

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