[systemd-devel] Fwd: Udev development questions

Marek mlf.conv at gmail.com
Tue Nov 17 16:06:02 PST 2015


Why shouldn't they matter? Can you clarify? Where does the kernel
provide these values? Are they documented
somewhere or is there a way to look them up?

On Wed, Nov 18, 2015 at 12:45 AM, Greg KH <gregkh at linuxfoundation.org> wrote:
> On Wed, Nov 18, 2015 at 12:37:17AM +0100, Marek wrote:
>> Hi,
>>
>> I'd like to ask a couple of questions:
>> 1. Does udev store its list as a simple single or double linked list
>> or key value database? Does udev store it on disk or in memory?
>
> The internals of udev shouldn't matter to any external user of the
> library.
>
>> 2. Where can I find description of subsystem devtype string values?
>
> That depends on the kernel itself, it has nothing to do with udev, these
> are values it provides.
>
> thanks,
>
> greg k-h


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