udev PROGRAM action

udev PROGRAM action

[Miles Roper]

Hi,

I've been trolling around the net trying to find an answer to why I can't get udev to correctly run 
a remove event in a script.

here is my udev line

BUS="usb", KERNEL="sd*", NAME="%k", PROGRAM="/etc/udev/scripts/usb.sh %k"

this works fine.  it calls the script below...

#! /bin/sh
#
# Mount Hotplug Device
#

. /etc/thinstation.env
. $TS_GLOBAL

get_filesystems

if [ ! -e /mnt/usbdevice ]; then
   mkdir /mnt/usbdevice
fi

  case $ACTION in
   add)
         mkdir /mnt/usbdevice/$1
        mount -t supermount -o fs=$filesystem,dev=/dev/$1 /mnt/usbdevice/$1 /mnt/usbdevice/$1
   ;;
   remove)
         umount /mnt/usbdevice/$1
         rmdir /mnt/usbdevice/$1
   ;;
   esac

exit 0

the add event works great.  however, the remove event never gets actioned.  In fact the script never 
gets run when the device is removed.  any ideas why?

Thanks

Miles


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Re: udev PROGRAM action

[Kay Sievers]

On Wed, Aug 24, 2005 at 07:47:54PM +1200, Miles Roper wrote:
> Hi,
> 
> I've been trolling around the net trying to find an answer to why I can't 
> get udev to correctly run a remove event in a script.
> 
> here is my udev line
> 
> BUS="usb", KERNEL="sd*", NAME="%k", PROGRAM="/etc/udev/scripts/usb.sh %k"
> 
> this works fine.  it calls the script below...

...

> the add event works great.  however, the remove event never gets actioned.  
> In fact the script never gets run when the device is removed.  any ideas 
> why?

PROGRAM is for evaluation of the device name. It is called before the
device node is created. If you have NAME in a rule, the rule will never
be called for any ather action than "add". Just remove "NAME="%k".

And better use RUN, it is called after device node handling.

Kay



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Re: udev PROGRAM action

[Thierry Vignaud]

Kay Sievers <kay.sievers@vrfy.org> writes:

> And better use RUN, it is called after device node handling.

for umounting, it may not be the best idea...



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