cleanup_cb_t      251 block/blk-rq-qos.c 		 cleanup_cb_t *cleanup_cb)
cleanup_cb_t      124 block/blk-rq-qos.h typedef void (cleanup_cb_t)(struct rq_wait *rqw, void *private_data);
cleanup_cb_t      128 block/blk-rq-qos.h 		 cleanup_cb_t *cleanup_cb);