Re: add/remove actions for usb devices

[Greg KH <greg@kroah.com>]

On Fri, Mar 26, 2004 at 08:44:56PM +0100, Florian Iragne wrote:
> Hello everybody,
> 
> i've just a simple question and i didn't find any clues about the answer 
> on the internet, so i ask you : why is there no "remove" action for usb 
> devices with hotplug?

The remove event happens just fine.  It's just that the current scripts
don't do anything with it :)

> my current problem is that i looking for a solution to mount/umount 
> usb-storage devices automagically when they are plugged/unplugged, but 
> since there is no remove event, i must write a complex script to do it 
> (currently working on 2.6.4-ck1 and udev).

But there is an event.  You can catch it on your own if you want.  Just
put your script in /etc/hotplug.d/usb/

Or if you want to catch the fact when udev removes a /dev node (which
odds are is what you really want to catch), put your script, or a link
to it in /etc/dev.d/block/ with the extension .dev and you will get both
add and remove events that corrisponded to a udev create or remove
device node.

Hope this helps,

greg k-h


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