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From:   Phillip Susi <phill@thesusis.net>
To:     Damien Le Moal <dlemoal@kernel.org>
Cc:     linux-ide@vger.kernel.org
Subject: Re: [PATCH v8 04/23] scsi: sd: Differentiate system and runtime
 start/stop management
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Damien Le Moal <dlemoal@kernel.org> writes:

> Nope. The correct way to do this would be to define PM operations for the ata
> device. However, currently, the scsi_device (scsi_disk) parent is the ata_port,
> so to make sure that the PM status of the parent propagates to the child
> correctly, we would need to have the scsi_device parent set to the ata_device.
> As I said, correcting this is not simple and will involve a significant amount
> of changes.

Don't you mean the scsi disk's parent is the scsi_target, whose parent
is the scsi_host whose parent is the port?  But also somehow the scsi
disk == the scsi lun?