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systemd-stable/units/initrd.target

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license: LGPL-2.1+ -> LGPL-2.1-or-later
2020-11-09 07:23:58 +03:00
# SPDX-License-Identifier: LGPL-2.1-or-later
Add SPDX license headers to unit files
2017-11-18 19:35:03 +03:00
#
add initrd-fs.target and root-fs.target Instead of using local-fs*.target in the initrd, use root-fs.target for sysroot.mount and initrd-fs.target for /sysroot/usr and friends. Using local-fs.target would mean to carry over the activated local-fs.target to the isolated initrd-switch-root.target and thus in the real root. Having local-fs.target already active after deserialization causes ordering problems with the real root services and targets. We better isolate to targets for initrd-switch-root.target, which are only available in the initrd.
2013-03-04 22:01:05 +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 Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
units: initrd, multi-user - add a few more words to Description=
2013-03-16 19:29:29 +04:00
Description=Initrd Default Target
add initrd-fs.target and root-fs.target Instead of using local-fs*.target in the initrd, use root-fs.target for sysroot.mount and initrd-fs.target for /sysroot/usr and friends. Using local-fs.target would mean to carry over the activated local-fs.target to the isolated initrd-switch-root.target and thus in the real root. Having local-fs.target already active after deserialization causes ordering problems with the real root services and targets. We better isolate to targets for initrd-switch-root.target, which are only available in the initrd.
2013-03-04 22:01:05 +04:00
Documentation=man:systemd.special(7)
Revert "units: drop OnFailure= from .target units" This reverts commit c7220ca8025e8dbded36131b23a502d975c45754. The removal was done as a reaction to the messages from systemd: initrd-root-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail). initrd.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail). initrd-root-device.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail). initrd-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail). local-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail). ... But it seems that the messages themselves are wrong, and the units were OK.
2020-07-22 13:51:15 +03:00
OnFailure=emergency.target
OnFailureJobMode=replace-irreversibly
units: upgrade initrd check Conditions to Asserts It's a bug if an initrd unit is run on the host. Hence let's upgrade the conditions to asserts.
2020-07-29 17:25:59 +03:00
AssertPathExists=/etc/initrd-release
Make initrd.target the default target in the initrd First, rename root-fs.target to initrd-root-fs.target to clarify its usage. Mount units with "x-initrd-rootfs.mount" are now ordered before initrd-root-fs.target. As we sometimes construct /sysroot mounts in /etc/fstab in the initrd, we want these to be mounted before the initrd-root-fs.target is active. initrd.target can be the default target in the initrd. (normal startup) : : v basic.target | ______________________/| / | | sysroot.mount | | | v | initrd-root-fs.target | | | v | initrd-parse-etc.service (custom initrd services) | | v | (sysroot-usr.mount and | various mounts marked | with fstab option | x-initrd.mount) | | | v | initrd-fs.target | | \______________________ | \| v initrd.target | v initrd-cleanup.service isolates to initrd-switch-root.target | v ______________________/| / | | initrd-udevadm-cleanup-db.service | | (custom initrd services) | | | \______________________ | \| v initrd-switch-root.target | v initrd-switch-root.service | v switch-root
2013-03-14 16:12:10 +04:00
Requires=basic.target
fstab-generator: if usr= is specified, mount it to /sysusr/usr/ first This changes the fstab-generator to handle mounting of /usr/ a bit differently than before. Instead of immediately mounting the fs to /sysroot/usr/ we'll first mount it to /sysusr/usr/ and then add a separate bind mount that mounts it from /sysusr/usr/ to /sysroot/usr/. This way we can access /usr independently of the root fs, without for waiting to be mounted via the /sysusr/ hierarchy. This is useful for invoking systemd-repart while a root fs doesn't exist yet and for creating it, with partition data read from the /usr/ hierarchy. This introduces a new generic target initrd-usr-fs.target that may be used to generically order services against /sysusr/ to become available.
2021-03-27 00:40:40 +03:00
Wants=initrd-root-fs.target initrd-root-device.target initrd-fs.target initrd-usr-fs.target initrd-parse-etc.service
After=initrd-root-fs.target initrd-root-device.target initrd-fs.target initrd-usr-fs.target basic.target rescue.service rescue.target
Make initrd.target the default target in the initrd First, rename root-fs.target to initrd-root-fs.target to clarify its usage. Mount units with "x-initrd-rootfs.mount" are now ordered before initrd-root-fs.target. As we sometimes construct /sysroot mounts in /etc/fstab in the initrd, we want these to be mounted before the initrd-root-fs.target is active. initrd.target can be the default target in the initrd. (normal startup) : : v basic.target | ______________________/| / | | sysroot.mount | | | v | initrd-root-fs.target | | | v | initrd-parse-etc.service (custom initrd services) | | v | (sysroot-usr.mount and | various mounts marked | with fstab option | x-initrd.mount) | | | v | initrd-fs.target | | \______________________ | \| v initrd.target | v initrd-cleanup.service isolates to initrd-switch-root.target | v ______________________/| / | | initrd-udevadm-cleanup-db.service | | (custom initrd services) | | | \______________________ | \| v initrd-switch-root.target | v initrd-switch-root.service | v switch-root
2013-03-14 16:12:10 +04:00
AllowIsolate=yes
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