Re: devfs compatibility

Albert D. Cahalan (acahalan@cs.uml.edu)
Tue, 4 Aug 1998 05:05:33 -0400 (EDT)


Richard Gooch writes:
> Albert D. Cahalan writes:

>> I know you will hate this, but better now than later...
>>
>> UnixWare 7 has 5-part device names with a c0b0t0d0p0 format.
>> It is just like the new Linux ones, except for the fourth letter.
>>
>> Values of p are:
>>
>> 0 whole disk
>> 1 first PC partition
>> 2 second PC partition
>> 3 third PC partition
>> 4 fourth PC partition
>>
>> Although SCO stops there, notice how much their system is like the
>> new Linux system. It would be great to eliminate the inconsistency
>> while we still can.
>
> We went through this at the beginning of the year. IIRC the format
> you suggest was considered, but rejected for some reasons I don't
> fully recall just now.

At the beginning of the year, there was no example with a 5-part name.
We had Solaris and something else, both with 4-part names. Since we
needed the 5-part name anyway, we didn't worry about compatibility.

> Also, there are now too many people using it for these kinds of
> changes to be "painless". SCO will just have to change their
> system: we have the bigger market share ;-)

SCO is already shipping. How about a transitional config option?
It would let existing devfs users convert at their leisure,
and would be removed before the 2.4 kernel is released.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html