> How does this have anything to do with boot times?  Do you really have a
quoted text
> foolish shell script that iteratorates over every single disk in the
> sysfs tree for every disk?  What does it do that for?

Any time you want to get the sysfs information for a filesystem which is 
already mounted, that's what you're forced to do.

quoted text
> I thought we were talking about 2TB disks here, with a proposed new
> ioctl, not foolishness of boot scripts...

I pointed out that having a way to map device numbers to sysfs 
directories would have the same effect, *and* would be usable for other 
purposes.  I'd rather see that than a new ioctl, and another, and another...

ioctl()s are also nasty since they're generally root-only (or rather, 
device-owner only).  Since the information is already in sysfs, there is 
no benefit to this hiding.  Otherwise one could consider a ioctl() "give 
me the sysfs name of this device."

	-hpa
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