On 09/30/2012 10:47 AM, Alan Stern wrote:
On Sun, 30 Sep 2012, Aaron Lu wrote:
Makes sense to me, but there is a problem if I want to block events
checking for the disk, as I do not have a pointer to the gendisk in ATA
layer.
You may discover the gendisk by going the ATA -> SCSI -> block route.
The tray will be ejected by the ODD itself when it has power, I do not
need to do that. Moreover, I don't think I need enable the GPE bit when
it has power.
It sounds like you need to add only two things to the sr layer: An
interface to enable/disable event checking and an interface to request
an eject. (And perhaps ejects can be carried out entirely within the
ATAPI layer, with no need to involve sr.)
Sounds reasonable.
Jeff
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