Re: [PATCH] Detect systemd at run-time in 69-dm-lvm-metad.rules

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On Wed, Jul 31, 2019 at 12:22:38PM +0200, Zdenek Kabelac wrote:
> Dne 31. 07. 19 v 11:39 Julian Andres Klode napsal(a):
> > > > I don't see how this has anything to do with lvmetad. There is no lvmetad
> > > > anymore.
> > > 
> > > The whole point of 'service' for 'pvscan' is to postone activation of DM
> > > devices outside of udev rule processing.
> > > 
> > > So whatever is replacing systemd service in your's systemd-less system must
> > > provide similar functionality.
> > > 
> > > There is currently no way to accept autoactivation capability within
> > > udev-rule processing.
> > 
> > This has nothing to do with the part of the message you are replying too, and
> > is nonsense. The code to run pvscan directly is shipped, the change just moves
> > the decision whether to do that from compile-time to run-time.
> 
> As long as 'pvscan' is executed with 'auto-activation' option - it can't be
> run from udev rule.   Any proposal for this needs to first resolve,
> how to ensure udev will not try to kill running command in the middle of work.
> 
> Until this is resolved - proposal of this can't be accepted upstream.

Again: The code is already there. I'm just moving the decision what to pick from
compile-time to run-time. This is entirely orthogonal to whether the existing code
works well or not.

-- 
debian developer - deb.li/jak | jak-linux.org - free software dev
ubuntu core developer                              i speak de, en

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