[patch] let /sbin/hotplug execute udev earlier

[patch] let /sbin/hotplug execute udev earlier

[Kay Sievers]

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We ran into problems with all the /etc/hotplug.d/ scripts that sleep for
the sysfs files or for other reasons. Anyway, it takes much too much time
before udev is executed.
HAL has its own notifier in /etc/hotplug.d/ and also waits for the
dev.d/events with the same SEQNUM. Sometimes it take 25 seconds between
these two events, cause the other scripts are sleeping too much :)

Attached is a patch that installs the udevsend symlink as
10-udev.hotplug instead of udev.hotplug, to be executed earlier.

[kay@pim udev.kay]$ tree /etc/hotplug.d/
/etc/hotplug.d/
`-- default
    |-- 10-udev.hotplug -> /sbin/udevsend
    |-- 20-hal.hotplug -> /usr/libexec/hal.hotplug
    `-- default.hotplug


Thanks,
Kay

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===== Makefile 1.165 vs edited =====
--- 1.165/Makefile	2004-08-05 00:50:52 +02:00
+++ edited/Makefile	2004-08-29 22:39:47 +02:00
@@ -389,7 +389,7 @@
 	$(INSTALL_PROGRAM) -D $(INFO) $(DESTDIR)$(usrbindir)/$(INFO)
 	$(INSTALL_PROGRAM) -D $(TESTER) $(DESTDIR)$(usrbindir)/$(TESTER)
 	ln -sf $(sbindir)/udev $(DESTDIR)$(sbindir)/$(STARTER)
-	- ln -f -s $(sbindir)/$(SENDER) $(DESTDIR)$(hotplugdir)/$(ROOT).hotplug
+	- ln -f -s $(sbindir)/$(SENDER) $(DESTDIR)$(hotplugdir)/10-udev.hotplug
 ifndef DESTDIR
 	- killall udevd
 	- rm -f $(udevdir)/.udev.tdb
@@ -401,7 +401,7 @@
 	done ; \
 
 uninstall: uninstall-man uninstall-dev.d
-	- rm $(hotplugdir)/udev.hotplug
+	- rm $(hotplugdir)/10-udev.hotplug
 	- rm $(configdir)/rules.d/50-udev.rules
 	- rm $(configdir)/permissions.d/50-udev.permissions
 	- rm $(configdir)/udev.conf

Re: [patch] let /sbin/hotplug execute udev earlier

[Greg KH]

On Sun, Aug 29, 2004 at 10:51:56PM +0200, Kay Sievers wrote:
> We ran into problems with all the /etc/hotplug.d/ scripts that sleep for
> the sysfs files or for other reasons. Anyway, it takes much too much time
> before udev is executed.
> HAL has its own notifier in /etc/hotplug.d/ and also waits for the
> dev.d/events with the same SEQNUM. Sometimes it take 25 seconds between
> these two events, cause the other scripts are sleeping too much :)
> 
> Attached is a patch that installs the udevsend symlink as
> 10-udev.hotplug instead of udev.hotplug, to be executed earlier.
> 
> [kay@pim udev.kay]$ tree /etc/hotplug.d/
> /etc/hotplug.d/
> `-- default
>     |-- 10-udev.hotplug -> /sbin/udevsend
>     |-- 20-hal.hotplug -> /usr/libexec/hal.hotplug
>     `-- default.hotplug

That makes sense.  Applied, thanks.

greg k-h


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