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Documentation: dynamic-debug-howto: fix example

dynamic debug is "expecting pairs of match-spec <value>" so the example
for all files of which the paths include "usb" there is "file" missing.

Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Link: https://lore.kernel.org/r/20210303091646.773111-1-martin.kepplinger@puri.sm
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

authored by

Martin Kepplinger and committed by
Jonathan Corbet e85d92b3 459d7ed8

+1 -1
+1 -1
Documentation/admin-guide/dynamic-debug-howto.rst
··· 347 347 <debugfs>/dynamic_debug/control 348 348 349 349 // enable messages in files of which the paths include string "usb" 350 - nullarbor:~ # echo -n '*usb* +p' > <debugfs>/dynamic_debug/control 350 + nullarbor:~ # echo -n 'file *usb* +p' > <debugfs>/dynamic_debug/control 351 351 352 352 // enable all messages 353 353 nullarbor:~ # echo -n '+p' > <debugfs>/dynamic_debug/control