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[dm-devel] Re: udev user specified or human readable /dev names



On Wed, Nov 02, 2005 at 03:53:45AM +0100, Kay Sievers wrote:

> Sure, that may be easier.
> But such a tool is only useful if the devices are already present on the
> system, right? Then you can read all current available ID_* variables from
> the udev database and compose a nice rule from it. :)

Yes looks like that can work (again I *was* thinking symlinks, and not
env variables) .

> > And is there a way to rename or add /dev entries without removing and
> > adding back a device?
> 
> You can run udevstart again, if its not configured to do some weird
> stuff.

That is rather slow, and didn't removing links (like a rename would want).

> The current devel kernel has a "uevent" file, which triggers the
> hotplug event again, this could be used to create additional configured
> links.
> 
> Also:
>   ACTION=add DEVPATH=/block/sdm /sbin/udev block
> would do it.

Those don't remove links either.

> Or do you mean adding a link temporarily, so that it get tracked and
> removed when the device goes away?

No.

Thanks,

-- Patrick Mansfield


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