Peter Memishian wrote:
> What about the idea of dealing with this at a later date, when it
> actually shows up as a problem?
Waiting for problems to bite us in the field seems unfortunate.
> I can certainly address it now, but it adds a lot of complexity, and it
> doesn't really *solve* the problem.
> (Because you still wind up with a 250K limit.)
Indeed, I'd say what we have right now is also a bug. I can understand
(based on inherent limits in the dev_t) why a given device could only have
a certain number of open instances, but the only global limit I'd expect
on the number of open instances would be memory.
Yes, its the 32-bit dev_t that creates the problem. (18 bit minor numbers.)
The question is whether I have to "fix" this bug right now, or can we
wait a bit longer... (I really can't fix it, I can just reduce the
likelihood of hitting it by only doubling the total minor number space.
That helps, but it doesn't solve the problem.
If it weren't for 32-bit userland apps, we could use 64-bit dev_t's, and
the problem would basically evaporate.
- Garrett
--
meem
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