Re: udev sysfs docs Re: State of devfs in 2.6?

Duncan Sands
2003-12-12T13:33:22Z

> 2. Keep track of when devices are used, and when they are not busy.
> We already have this, it's the module reference count.

USB modules (eg: xxxx-hcd) are typically set up so they can be unloaded at any
time: the act of unloading disconnects any devices driven by the module and
frees resources. I guess this is problematic for your point 2. I understand
that some network modules work this way too.

All the best,

Duncan.