diff options
| author | Lennart Poettering <lennart@poettering.net> | 2010-05-10 04:08:53 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2010-05-10 04:08:53 +0200 |
| commit | afb757b1a8a416b3c692728330a266b3915eef41 (patch) | |
| tree | 66c82e19ec7c8f3f92e9fe833c2a86b4efc79545 /99-systemd.rules | |
| parent | bab45044482dc012331c768c08d78a2d006485ad (diff) | |
device: allow easy identification of network interfaces without their full sysfs device path
Diffstat (limited to '99-systemd.rules')
| -rw-r--r-- | 99-systemd.rules | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/99-systemd.rules b/99-systemd.rules index 9a9b27a022..c5c330f936 100644 --- a/99-systemd.rules +++ b/99-systemd.rules @@ -19,7 +19,20 @@ ACTION!="add|change", GOTO="systemd_end" KERNEL=="tty[0-9]|tty1[0-2]", ENV{SYSTEMD_EXPOSE}="1" KERNEL=="ttyS*", ENV{SYSTEMD_EXPOSE}="1" + SUBSYSTEM=="block", ENV{SYSTEMD_EXPOSE}="1" -SUBSYSTEM=="net", ENV{SYSTEMD_EXPOSE}="1" + +# We need a hardware independant way to identify network devices. We +# use the /sys/subsystem path for this. Current vanilla kernels don't +# actually support that hierarchy right now, however upcoming kernels +# will. HAL and udev internally support /sys/subsystem already, hence +# it should be safe to use this here, too. This is mostly just an +# identification string for systemd, so whether the path actually is +# accessible or not does not matter as long as it is unique and in the +# filesystem namespace. +# +# http://git.kernel.org/?p=linux/hotplug/udev.git;a=blob;f=libudev/libudev-enumerate.c;h=da831449dcaf5e936a14409e8e68ab12d30a98e2;hb=HEAD#l742 + +SUBSYSTEM=="net", KERNEL!="lo", ENV{SYSTEMD_EXPOSE}="1", ENV{SYSTEMD_ALIAS}="/sys/subsystem/net/devices/%k" LABEL="systemd_end" |