Re: generating a Linux WWN?

Jeff Garzik
2007-10-06T15:43:31Z

James Bottomley wrote:
> On Sat, 2007-10-06 at 11:23 -0400, Jeff Garzik wrote:
>> James Bottomley wrote:
>>> If you remember Rusty's guide to interfaces, this is a level 14 easy to
>>> misuse interface: "The obvious use is wrong"; since the obvious use is
>>> to put it in module parameters and have the problem go away (for
>>> now ...). Actually, I could be harsher and say it's level 17 "There's
>>> no correct use" because statistically every time you use it, you expose
>>> yourself to potential duplicate WWNs.
>>
>> Now that you have said "there's no correct use" you have managed to
>> logic yourself into silly-land.
>>
>> That is utterly specious logic when duplicate WWNs are quite unlikely,
>> and furthermore -- as demonstrated by use in network drivers -- use of
>> the feature itself is not the common case.
>>
>> Field experience directly contradicts this entire line of reasoning.
>
> OK, give me your use case.

I already have, in this thread.

Jeff