mkinitrd unification across distributions
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From: Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: initqueue
Date: Thu, 02 Jul 2009 12:11:43 +0200	[thread overview]
Message-ID: <4A4C87DF.10904@redhat.com> (raw)

To move all "big" jobs out of the udev event handling, I introduce the 
"initqueue". This prevents the job from being killed by udev timeouts.

See
http://dracut.git.sourceforge.net/git/gitweb.cgi?p=dracut;a=commit;h=eab677a2164bccb3990487dc5ef4549b30cb1055

for the patch.

Basically inside a udev event, you don't do

RUN+="/sbin/ifup $env{INTERFACE}"

you now queue this in the initqueue with:

RUN+="/sbin/initqueue /sbin/ifup $env{INTERFACE}"

Inside init all jobs are worked on in serial order by the do_initqueue() function.

Now we have no more side effects due to the parallel nature of udev and still be 
fast, in case udev supports "udevadm settle --exit-if-exists="
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             reply	other threads:[~2009-07-02 10:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-02 10:11 Harald Hoyer [this message]
     [not found] ` <4A4C87DF.10904-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-07-02 12:39   ` initqueue Seewer Philippe
     [not found]     ` <4A4CAA92.9000401-omB+W0Dpw2o@public.gmane.org>
2009-07-02 12:51       ` initqueue Hannes Reinecke
     [not found]         ` <4A4CAD6F.6080201-l3A5Bk7waGM@public.gmane.org>
2009-07-02 13:45           ` initqueue Seewer Philippe
2009-07-02 12:52       ` initqueue Harald Hoyer
     [not found]         ` <4A4CAD9B.10503-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-07-02 13:08           ` initqueue Seewer Philippe
     [not found]             ` <4A4CB136.6000109-omB+W0Dpw2o@public.gmane.org>
2009-07-02 13:12               ` initqueue Harald Hoyer
     [not found]                 ` <4A4CB241.8080406-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-07-02 13:20                   ` initqueue Seewer Philippe
     [not found]                     ` <4A4CB434.1010001-omB+W0Dpw2o@public.gmane.org>
2009-07-02 14:10                       ` initqueue Harald Hoyer
     [not found]                         ` <4A4CBFEE.2020500-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-07-03  0:04                           ` initqueue Victor Lowther
     [not found]                             ` <1246579473.3339.96.camel-76q0VzFBGGr21HsLBtNmTckMGDeJXHgy@public.gmane.org>
2009-07-03  8:06                               ` initqueue Harald Hoyer
     [not found]                                 ` <4A4DBBF7.8010501-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-07-03  9:10                                   ` initqueue Daniel Drake

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