Plans for hal 0.5.x

[David Zeuthen]

On Mon, 2004-12-13 at 17:11 +0100, Kay Sievers wrote:
> HAL will only need to use _one_ notification program in /etc/hotplug.d/.
> Multiple instances are run at the same time, yes. This is intentional,
> for performance reasons (think of SMP boxes with a lot of disks).
> 
> But hal doen't need to care about that I think, cause every device chain
> sequence is still serialized. Only events for independent devices (every
> single one is still serialized) may be mixed up:
>  /block/sda/sda1 will wait for /block/sda but not for /block/sdb
> 

Ah, so, in other words, you guarantee that all hotplug.d notifiers
for /block/sda are done before you invoke the hotplug.d notifiers
for /block/sda/sda1?

> So you may get /block/sdb before you get /block/sda Do you think that's
> a problem and we need to reorder that?
> 

No, that would be just fine. In fact it would be perfect - what I want
to do is actually handle sdb* in parallel to sda* in hald (which is
possible as the major work will be invoking volume_id processes). How
does that sound?

Cheers,
David


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