I removed "After=swap.target" from sysinit.target: # systemd-delta [...] [OVERRIDDEN] /etc/systemd/system/sysinit.target → /usr/lib/systemd/system/sysinit.target --- /usr/lib/systemd/system/sysinit.target 2013-07-05 13:13:24.934943143 +0200 +++ /etc/systemd/system/sysinit.target 2013-07-05 11:01:50.829617792 +0200 @@ -10,5 +10,5 @@ Documentation=man:systemd.special(7) Conflicts=emergency.service emergency.target Wants=local-fs.target swap.target -After=local-fs.target swap.target emergency.service emergency.target +After=local-fs.target emergency.service emergency.target RefuseManualStart=yes [...] # fgrep -r swap.target /lib/systemd/system /etc/systemd/system /run/systemd/ /lib/systemd/system/sysinit.target:Wants=local-fs.target swap.target /lib/systemd/system/sysinit.target:After=local-fs.target swap.target emergency.service emergency.target /etc/systemd/system/sysinit.target:Wants=local-fs.target swap.target /run/systemd/generator/dev-disk-by\x2duuid-0a5847a8\x2d358d\x2d454f\x2dab98\x2d8592de5ca4ba.swap:Before=swap.target BUT: # systemctl show sysinit.target| fgrep swap.target Wants=local-fs.target swap.target [...] After=local-fs.target [...] swap.target [...] It is still there! How come?
If DefaultDependencies= is on then all target units which have a wants= to another unit will get an after= to it as well, unless it already has a before=. This is done so that it is sufficient to symlink a unit into a .wants/ directory of a target to get both an After= and a Wants= symlink. To get rid of the After= set DEfaultDependencies=no in either of the targets (or set Before=).
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