From mboxrd@z Thu Jan  1 00:00:00 1970
From: Zdenek Kabelac <zdenek.kabelac@gmail.com>
Subject: Re: Getting mapped device namw
Date: Mon, 6 Jul 2015 13:20:38 +0200
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Dne 6.7.2015 v 11:20 Gili B napsal(a):
> hi
> when a user run :
> dmsetup create [device name] ....
> Can a device mapper target find out the device name that the user entered ?
> I need it for creating entries in proc for example.

It's probably worth to note here - the dm target should always care ONLY about 
major:minor - it should never care about the name of device.
It looks like you are doing something weird in your target.

Regards

Zdeenk