systemd/units/var-run.mount

#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.

[Unit]
Description=Runtime Directory
Before=local-fs.target
# skip mounting if the directory does not exist or is a symlink
ConditionPathIsDirectory=/var/run

[Mount]
What=/run
Where=/var/run
Type=bind
Options=bind
units: replace a few non-essential API mounts with automount units 2010-05-18 05:10:17 +04:00			`# This file is part of systemd.`
			`#`
			`# systemd is free software; you can redistribute it and/or modify it`
			`# under the terms of the GNU General Public License as published by`
			`# the Free Software Foundation; either version 2 of the License, or`
			`# (at your option) any later version.`

			`[Unit]`
units: fix syntax of mount unit files 2010-05-18 06:17:05 +04:00			`Description=Runtime Directory`
units: replace a few non-essential API mounts with automount units 2010-05-18 05:10:17 +04:00			`Before=local-fs.target`
use /run instead of /dev/.run Instead of the /dev/.run trick we have currently implemented, we decided to move the early-boot runtime dir to /run. An existing /var/run directory is bind-mounted to /run. If /var/run is already a symlink, no action is taken. An existing /var/lock directory is bind-mounted to /run/lock. If /var/lock is already a symlink, no action is taken. To implement the directory vs. symlink logic, we have a: ConditionPathIsDirectory= now, which is used in the mount units. Skipped mount unit in case of symlink: $ systemctl status var-run.mount var-run.mount - Runtime Directory Loaded: loaded (/lib/systemd/system/var-run.mount) Active: inactive (dead) start condition failed at Fri, 25 Mar 2011 04:51:41 +0100; 6min ago Where: /var/run What: /run CGroup: name=systemd:/system/var-run.mount The systemd rpm needs to make sure to add something like: %pre mkdir -p -m0755 /run >/dev/null 2>&1 \|\| : or it needs to be added to filesystem.rpm. Udev -git already uses /run if that exists, and is writable at bootup. Otherwise it falls back to the current /dev/.udev. Dracut and plymouth need to be adopted to switch from /dev/.run to run too. Cheers, Kay 2011-03-25 07:07:20 +03:00			`# skip mounting if the directory does not exist or is a symlink`
			`ConditionPathIsDirectory=/var/run`
units: replace a few non-essential API mounts with automount units 2010-05-18 05:10:17 +04:00
			`[Mount]`
use /run instead of /dev/.run Instead of the /dev/.run trick we have currently implemented, we decided to move the early-boot runtime dir to /run. An existing /var/run directory is bind-mounted to /run. If /var/run is already a symlink, no action is taken. An existing /var/lock directory is bind-mounted to /run/lock. If /var/lock is already a symlink, no action is taken. To implement the directory vs. symlink logic, we have a: ConditionPathIsDirectory= now, which is used in the mount units. Skipped mount unit in case of symlink: $ systemctl status var-run.mount var-run.mount - Runtime Directory Loaded: loaded (/lib/systemd/system/var-run.mount) Active: inactive (dead) start condition failed at Fri, 25 Mar 2011 04:51:41 +0100; 6min ago Where: /var/run What: /run CGroup: name=systemd:/system/var-run.mount The systemd rpm needs to make sure to add something like: %pre mkdir -p -m0755 /run >/dev/null 2>&1 \|\| : or it needs to be added to filesystem.rpm. Udev -git already uses /run if that exists, and is writable at bootup. Otherwise it falls back to the current /dev/.udev. Dracut and plymouth need to be adopted to switch from /dev/.run to run too. Cheers, Kay 2011-03-25 07:07:20 +03:00			`What=/run`
units: replace a few non-essential API mounts with automount units 2010-05-18 05:10:17 +04:00			`Where=/var/run`
mount: use /dev/.run as an early boot alias for /var/run During early boot, mount a tmpfs to /dev/.run and then bind mount it to /var/run as soon as /var is available. This makes it possible for programs involved in early boot to put runtime data in /dev/.run which later on will show up in /var/run like any other. This can be used to solve the early-boot D-Bus problem: D-Bus may start up with its socket bound to /dev/.run/dbus/system_bus_socket and after /var it will also be available under the traditional name /var/run/dbus/system_bus_socket. This also is intended to be used as a better place for systemd, mount, mdadm, blkid, plymouth, bootchart and dracut runtime data, which is currently stored in various places in /dev/.xxx. 2011-03-09 04:51:45 +03:00			`Type=bind`
			`Options=bind`