netdev - Re: [PATCH 1/1] UDEV - Add 'udevlom' command line param to start

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Date:	Wed, 10 Nov 2010 17:37:00 +0100
From:	Harald Hoyer <harald@...hat.com>
To:	Narendra_K@...l.com
CC:	linux-hotplug@...r.kernel.org, netdev@...r.kernel.org,
	Matt_Domsch@...l.com, Jordan_Hargrave@...l.com,
	Charles_Rose@...l.com
Subject: Re: [PATCH 1/1] UDEV - Add 'udevlom' command line param to start_udev

On 11/10/2010 05:32 PM, Harald Hoyer wrote:
> On 11/03/2010 05:55 PM, Narendra_K@...l.com wrote:
>> Hello,
>>
>> This patch allows users to specify if they want the onboard network
>> interfaces to be renamed to lomN by implementing a command line param
>> 'udevlom'.
>>
>> From: Narendra K<narendra_k@...l.com>
>> Subject: [PATCH] UDEV - Add 'udevlom' command line param to start_udev
>>
>> This patch implements 'udevlom' command line parameter, which
>> when passed, results in onboard network interfaces getting
>> renamed to lomN.
>>
>> Signed-off-by: Narendra K<narendra_k@...l.com>
>> ---
>> start_udev | 5 +++++
>> 1 files changed, 5 insertions(+), 0 deletions(-)
>>
>> diff --git a/start_udev b/start_udev
>> index 49fc286..57d60c9 100755
>> --- a/start_udev
>> +++ b/start_udev
>> @@ -32,6 +32,7 @@ export TZ=/etc/localtime
>> . /etc/init.d/functions
>>
>> prog=udev
>> +cmdline=`cat /proc/cmdline`
>>
>> touch_recursive() {
>> ( cd $1;
>> @@ -60,6 +61,10 @@ fi
>>
>> ret=$[$ret + $?]
>>
>> +if strstr "$cmdline" udevlom; then
>> + /sbin/udevadm control --env=UDEVLOM="y"
>> +fi
>> +
>> /sbin/udevadm trigger --type=subsystems --action=add
>> /sbin/udevadm trigger --type=devices --action=add
>> /sbin/udevadm settle
>
> start_udev is obsolete with the use of systemd service files anyway in Fedora>=15

not saying that we really should use "udevlom" on the kernel command line, but 
you could use:

IMPORT{cmdline}="udevlom"
KERNEL="eth*", ENV{udevlom}==1, ....
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