On Thu, 2018-10-25 at 15:10 -0600, Jens Axboe wrote: +AD4 Nobody sets the helper, so we always return 0. Kill it. How about changing the description of this patch into something like +ACI-Now that the blk+AF8-lld+AF8-busy() and blk+AF8-queue+AF8-lld+AF8-busy() callers have been removed, also remove the implementations of these functions.+ACI? Thanks, Bart.