Hi! > +++ b/Documentation/ABI/testing/sysfs-block > @@ -316,3 +316,19 @@ Description: > does not complete in this time then the block driver timeout > handler is invoked. That timeout handler can decide to retry > the request, to fail it or to start a device recovery strategy. > + > +What: /sys/block/<disk>/led > +Date: August 2021 > +Contact: Ian Pilcher <arequipeno@xxxxxxxxx> > +Description: > + Set the LED associated with this block device (or show available > + LEDs and the currently selected LED, if any). > + > + Reading the attribute will display the available LEDs (LEDs that > + are associated with the blkdev LED trigger). The currently > + selected LED is enclosed in square brackets. To clear the > + device's LED association write 'none' (without the quotes) or > + an empty string/line to the attribute. > + > + See Documentation/ABI/testing/sysfs-class-led-trigger-blkdev and > + Documentation/block/blk-ledtrig.rst.) I have to agree with Marek / Pali -- this is very strange interface. Best regards, Pavel -- http://www.livejournal.com/~pavelmachek
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