relay_open        414 block/blktrace.c 	bt->rchan = relay_open("trace", dir, buts->buf_size,
relay_open        168 include/linux/relay.h struct rchan *relay_open(const char *base_filename,
relay_open        173 virt/kvm/kvm_trace.c 	kt->rchan = relay_open("trace", kvm_debugfs_dir, kuts->buf_size,