Symbol: blk_add_trace_bio_frontmerge
kernel/trace/blktrace.c
1345
ret = register_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL);
kernel/trace/blktrace.c
1385
unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL);