Re: edd_id util

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On 5/20/09, Orgad Shaneh <orgads@xxxxxxxxx> wrote:
> Hello,
>
> edd_id is a nice small util of udev to match device to its edd record
> (/sys/firmware/edd/int13_
> dev8X).
>
> Looking at its code, the way it matches devices is only by their mbr
> signature. Therefore, if the disk is wiped (or new), it won't be able
> to match anything, and will return 6 (no valid MBR signature).
>
> I think in such case, another method for matching should be
> considered. the records in sysfs have a file named sectors, which is
> the device capacity in sectors. proc holds a similar file for kernel
> devices in /proc/ide/[hs]dX/capacity.
>
> These files can be compared to match device to edd dev... If there is
> more than 1 device with the exact same capacity, it might print the
> first or not print anything, and exit with error.
>
> I agree the best way to match is by signature, but if it is not found
> - IMHO the alternative way should be taken.

On my machine there is also a pci_dev link.  Could that be used?
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