blk_add_trace_bio_complete 1128 kernel/trace/blktrace.c 	ret = register_trace_block_bio_complete(blk_add_trace_bio_complete, NULL);
blk_add_trace_bio_complete 1164 kernel/trace/blktrace.c 	unregister_trace_block_bio_complete(blk_add_trace_bio_complete, NULL);