On 12/12/19 7:08 AM, jgq516@xxxxxxxxx wrote: > From: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx> > > Since blk_drain_queue had already been removed, so this function > is not needed anymore. You should remove it from include/linux/blk-cgroup.h as well. -- Jens Axboe