----- Original Message ----- > From: "Andrey Borzenkov" <arvidj...@gmail.com> > To: "Amit Saha" <as...@redhat.com> > Cc: "systemd Mailing List" <systemd-devel@lists.freedesktop.org> > Sent: Friday, March 14, 2014 7:08:28 PM > Subject: Re: [systemd-devel] Help regarding service dependency > > On Fri, Mar 14, 2014 at 11:30 AM, Amit Saha <as...@redhat.com> wrote: > > > > > > ----- Original Message ----- > >> From: "Andrey Borzenkov" <arvidj...@gmail.com> > >> To: "Amit Saha" <as...@redhat.com> > >> Cc: "systemd Mailing List" <systemd-devel@lists.freedesktop.org> > >> Sent: Friday, March 14, 2014 12:35:44 PM > >> Subject: Re: [systemd-devel] Help regarding service dependency > >> > >> В Thu, 13 Mar 2014 21:25:34 -0400 (EDT) > >> Amit Saha <as...@redhat.com> пишет: > >> > >> > Hello, > >> > > >> > We have service1 which starts in default.target, and we want it to start > >> > After service2 > >> > (systemd-readahead-done) which starts after the default.target is > >> > reached. > >> > So, I think what would happen in this case is the After=service2 for > >> > service1 is ignored > >> > and it is started before service2 since the default.target must be > >> > reached. > >> > > >> > >> There is no ordering dependencies between default.target and individual > >> units; default.target is simply a way to define what is started using > >> Wants. So it should work. > > > > My apologies; I tend to miss implicit dependencies. So yes, by default > if default.target Wants some unit it will be also ordered After this > unit. > > > Thanks for your reply. > > > > I am not sure I follow you when you say "there is no ordering dependency > > between > > default.target and individual units". Let's say default.target.wants/ > > have N services. What happens when you have a service, service2 whose > > unit file has After=default.target in it? When does it start? > > > > By default this creates a loop and systemd will need to break it; it > hopefully will ignore After=default.target. > > But your unit definition in initial post had > DefaultDependencies=false. In this case I expect that no implicit > Before=default.target will be added. Did you test it?
Thanks Andrey for you reply. I got a little confused and side tracked, so I couldn't try your suggestion. Lennart's reply cleared the confusion and I got it working. Best, Amit. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
