Tejun Heo wrote:
Mark Lord wrote:
Support for IDENTIFY PACKET DEVICE would be nice too.
It already does that, using HDIO_DRIVE_CMD to retrieve it
in the same way as for regular IDENTIFY DEVICE commands.
Hmmm... My hdparm doesn't seem to do that.
Sure it does.
Try "strace hdparm -I /dev/sr0" and notice the two ioctl() calls.
The problem is that libata/SCSI always fail it for some reason.
Ditto for me right now when I tried it with an SG_IO passthru command.
Contrary to my other posting, I actually *do* have a libata-controlled
DVD/RW drive in my box here. So I'll try and see what's happening.
Still digging..
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