On 9/9/21 3:25 PM, Ian Pilcher wrote:

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Add LED trigger disk info pointer to gendisk structure

Call ledtrig_blkdev_disk_init() from device_add_disk() to ensure that
ledtrig is initialized to NULL, in case a driver allocates the structure
itself and doesn't use kzalloc()

Call ledtrig_blkdev_disk_cleanup() from del_gendisk() to ensure that the
LED trigger stops trying to check the disk for activity

Signed-off-by: Ian Pilcher <redacted>

The commit log doesn't explain that why you need modify the core block
layer API which is highly discouraged.

Why can't ledtrig_blkdev_disk_init() be called before you
call add_disk() in your driver? same goes for the 
ledtrig_blkdev_disk_cleanup(). If there is legit reason you need to
document that.