[RFC PATCH 1/8] docs: Add block device LED trigger documentation
valdis.kletnieks at vt.edu
Wed Jul 28 23:09:15 EDT 2021
On Wed, 28 Jul 2021 20:53:37 -0500, Ian Pilcher said:
> +Create a new block device LED trigger::
> + # echo foo > /sys/class/block/led_trigger_new
> +The name must be unique among all LED triggers (not just block device LED
> +Create two more::
> + # echo bar baz > /sys/class/block/led_trigger_new
> + # cat /sys/class/block/led_trigger_list
> + baz: 0
> + bar: 0
> + foo: 0
This looks like an abuse of the "one entry one value" rule for sysfs.
Perhaps this should be a directory /sys/class/block/defined_triggers/
and separate files under that for foo, bar, and baz? That would probably
make reference counting a lot easier as well....
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