[PATCH] losetup: Create loop device if it does not exist

[dietmar.schindler at manrolandgoss.com]

> From: busybox <busybox-bounces at busybox.net> On Behalf Of Joerg Vehlow
> Sent: Monday, September 23, 2019 7:39 AM
>
> util-linux's losetup creates a loop device, if it is missing.
> This is missing in busybox's implementation.
>
> Testcase:
> losetup /dev/loop1000 <somepath>
> If /dev/loop1000 does not exist busybox give an error but
> util-linux's losetup just creates the file

I'm not sure whether I'd like to have a device file created if I made a typo on the command line.
--
Mit freundlichen Grüßen,
Dietmar Schindler
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