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 > +triggers). > + > +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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