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man: clarify what happens when journalctl is called with devpath

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Michal Sekletar
2016-02-03 10:38:29 +01:00
parent 485fd9a7b9
commit 3cea8e06e4
1 changed files with 8 additions and 2 deletions
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10
man/journalctl.xml
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@@ -91,8 +91,14 @@
paths may be specified. If a file path refers to an executable
file, this is equivalent to an <literal>_EXE=</literal> match
for the canonicalized binary path. Similarly, if a path refers
to a device node, this is equivalent to a
<literal>_KERNEL_DEVICE=</literal> match for the device.</para>
to a device node then match is added for the kernel name of the
device (<literal>_KERNEL_DEVICE=</literal>). Also, matches for the
kernel names of all the parent devices are added automatically.
Device node paths are not stable across reboots, therefore match
for the current boot id (<literal>_BOOT_ID=</literal>) is
always added as well. Note that only the log entries for
the existing device nodes maybe queried by providing path to
the device node.</para>
<para>Additional constraints may be added using options
<option>--boot</option>, <option>--unit=</option>, etc., to