Matt Domsch writes:
> Thanks everyone for your input again. I've made the changes suggested, and
> would appreciate this being applied to Linus' and Alan's trees. This is
> necessary for solving the "what disk does BIOS think is my boot disk"
> problem on IA-64, and I hope to extend it to IA-32 when BIOSs permit.
>
> Jeff Garzik recommended the IOCTL return pci_dev::slot_name, so now it does,
> and this simplifies the ioctl greatly.
> Doug Gilbert recommended wrapping things in #ifdef's, so I created a new
> CONFIG_SCSI_PCI_INFO define.
As I said to Matt privately, I think adding this kind of ioctl is
ugly. We have enough ioctl's as it is. All Matt is trying to do is to
access drives via location, so exposing location-based device nodes
via devfs is IMNSHO cleaner.
The plan I have (which I hope to get started on soon, now that I'm
back from travels), is to change /dev/scsi/host# from a directory into
a symbolic link to a directory called: /dev/bus/pci0/slot1/function0.
Thus, to access a partition via location, one would use the path:
/dev/bus/pci0/slot1/function0/bus0/target1/lun2/part3.
Regards,
Richard....
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