--- /dev/null
+#ifndef __TOOLS_LINUX_SRCU_H
+#define __TOOLS_LINUX_SRCU_H
+
+struct srcu_struct {
+};
+
+static inline void srcu_read_unlock(struct srcu_struct *ssp, int idx) {}
+
+static inline int srcu_read_lock(struct srcu_struct *ssp)
+{
+ return 0;
+}
+
+static inline bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie)
+{
+ return false;
+}
+
+static inline unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp)
+{
+ return 0;
+}
+
+static inline void cleanup_srcu_struct(struct srcu_struct *ssp) {}
+
+static inline int init_srcu_struct(struct srcu_struct *ssp)
+{
+ return 0;
+}
+
+#endif /* __TOOLS_LINUX_SRCU_H */