On 7/28/21 10:09 PM, Valdis Klētnieks wrote:
+ # 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....
Indeed it is. Funny that you should mention using a subdirectory. I originally wanted to put all of the trigger-related stuff into /sys/class/block/led_triggers/, but I couldn't find any API to create a subdirectory for *class* attributes (only for device attributes), nor do I see any such subdirectories on my system. # find /sys/class -type d | egrep '^/sys/class/[^/]+/' (no output) Is is possible to create subdirectories for class attributes? -- ======================================================================== In Soviet Russia, Google searches you! ========================================================================