[systemd-devel] /run needs to be mounted? ugh.

[Lennart Poettering]

On Tue, 11.02.14 18:08, Jason A. Donenfeld (Jason at zx2c4.com) wrote:

> 
> On Tue, Feb 11, 2014 at 5:25 PM, Lennart Poettering
> <lennart at poettering.net> wrote:
> > An initrd without /run is mostly pointless, no? Either you have storage
> > daemons and hence need /run around, or you don't have storage daemons,
> > in which case you can just boot without involving any initrd?
> 
> In my use of an initrd, I just use cryptsetup, which AFAIK, isn't a
> storage daemon but rather reads the LUKS header, determines the key,
> and calls the ioctl to get it mapped. In this case, all the 'state'
> remains in the kernel, and thus doesn't require /run.

Hmm, so how do you wait for the LUKS device to show up? You need
something like udev around, which uses /run...

And AFAIR the DM userspace does keep some runtime state around, and that
one probably wants to pass over to the host OS...

Lennart

-- 
Lennart Poettering, Red Hat