static DEFINE_MUTEX(tracing_err_log_lock);
-struct tracing_log_err *get_tracing_log_err(struct trace_array *tr)
+static struct tracing_log_err *get_tracing_log_err(struct trace_array *tr)
{
struct tracing_log_err *err;
.llseek = default_llseek,
};
-struct dentry *trace_instance_dir;
+static struct dentry *trace_instance_dir;
static void
init_tracer_tracefs(struct trace_array *tr, struct dentry *d_tracer);