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Commit Graph

3 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
a7df2d1e43 Add SPDX license headers to unit files 2017-11-19 19:08:15 +01:00
Alan Jenkins
0b9ad5bf2e units: add missing Before=shutdown.target for units which it Conflicts
There's a few services missing this ordering.

Also remove a duplicate Conflicts=shutdown.target from
systemd-volatile-root.service.
2017-09-30 22:01:42 +01:00
Lennart Poettering
91214a37ef fstab-generator: add support for volatile boots
This adds support for a new kernel command line option "systemd.volatile=" that
provides the same functionality that systemd-nspawn's --volatile= switch
provides, but for host systems (i.e. systems booting with a kernel).

It takes the same parameter and has the same effect.

In order to implement systemd.volatile=yes a new service
systemd-volatile-root.service is introduced that only runs in the initrd and
rearranges the root directory as needed to become a tmpfs instance. Note that
systemd.volatile=state is implemented different: it simply generates a
var.mount unit file that is part of the normal boot and has no effect on the
initrd execution.

The way this is implemented ensures that other explicit configuration for /var
can always override the effect of these options.  Specifically, the var.mount
unit is generated in the "late" generator directory, so that it only is in
effect if nothing else overrides it.
2016-12-21 19:09:29 +01:00