blk_add_trace_rq_complete 1124 kernel/trace/blktrace.c 	ret = register_trace_block_rq_complete(blk_add_trace_rq_complete, NULL);
blk_add_trace_rq_complete 1166 kernel/trace/blktrace.c 	unregister_trace_block_rq_complete(blk_add_trace_rq_complete, NULL);