Re: [ANNOUNCE] udev 0.1 release

Greg KH (greg@kroah.com)
Fri, 11 Apr 2003 10:20:11 -0700


On Fri, Apr 11, 2003 at 08:37:37AM +0200, Oliver Neukum wrote:
>
> > Anyway, this works for me, on my machines, and I am very interested in
> > feedback from everyone about both this concept, and the implementation
> > of this. I've cced a lot of different lists, as they have all expressed
> > interest in this project.
>
> Cool, an utterly new piece of code to play with.
> Well, it has some nice issues.
>
> - There's a race with replugging, which you can do little about

True, but this can get smaller.

> - Error handling. What do you do if the invocation ends in EIO ?

Which invocation? From /sbin/hotplug?

> - Performance. What happens if you plug in 4000 disks at once?

You crash your power supply :)

Seriously, the kernel spawns 4000 instances of /sbin/hotplug just like
it always does. I'm working on keeping udev from spawning anything else
to keep the process cound down (right now it fork/execs for mknod, but
that was just me being lazy.)

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/