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man: SYMLINK can be matched as well as assigned

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If by-path / by-id links don't quite do what you want, this is a nice
clean way to extend the behaviour.  Real example:

SYMLINK=="serial/by-id/usb-Novatel_Wireless_Inc*CDMA*-if00-port0", \\
 SYMLINK+="cellcard"

Some users ask how to do things like this.

 - create an additional link with a shorter name
 - create a link which matches more loosely
    (omit certain path segments e.g. serial numbers)
 - change permissions on certain USB device nodes

Allow them to realize this without reading the friendly *.c files.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
This commit is contained in:
Alan Jenkins 2009-08-07 13:29:49 +01:00 committed by Kay Sievers
parent 8e534e2a47
commit 5bdba42ddb
1 changed files with 11 additions and 1 deletions
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12
udev/udev.xml
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@ -166,6 +166,16 @@
</listitem>
</varlistentry>
<varlistentry>
<term><option>SYMLINK</option></term>
<listitem>
<para>Match the name of a symlink targeting the node. It can
be used once a SYMLINK key has been set in one of the preceding
rules. There may be multiple symlinks; only one needs to match.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>SUBSYSTEM</option></term>
<listitem>
@ -295,7 +305,7 @@
<varlistentry>
<term><option>SYMLINK</option></term>
<listitem>
<para>The name of a symlink targeting the node. Every matching rule can add
<para>The name of a symlink targeting the node. Every matching rule will add
this value to the list of symlinks to be created along with the device node.
Multiple symlinks may be specified by separating the names by the space
character.</para>