Update bcachefs sources to 22fa8fc32e6a bcachefs: rcu_pending now works in userspace

1 files changed, 31 insertions, 0 deletions

diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 1c816804..12719eb5 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -1,6 +1,12 @@
 #ifndef __TOOLS_LINUX_SRCU_H
 #define __TOOLS_LINUX_SRCU_H
 
+#include <linux/rcupdate.h>
+
+#define NUM_ACTIVE_RCU_POLL_OLDSTATE	2
+
+typedef void (*rcu_callback_t)(struct rcu_head *head);
+
 struct srcu_struct {
 };
 
@@ -26,10 +32,35 @@ static inline unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp)
 	return 0;
 }
 
+#undef poll_state_synchronize_rcu
+static inline bool poll_state_synchronize_rcu(unsigned long cookie)
+{
+	return false;
+}
+
+#undef start_poll_synchronize_rcu
+static inline unsigned long start_poll_synchronize_rcu()
+{
+	return 0;
+}
+
+static inline unsigned long get_state_synchronize_rcu()
+{
+	return 0;
+}
+
 static inline void synchronize_srcu_expedited(struct srcu_struct *ssp) {}
 
+static inline void srcu_barrier(struct srcu_struct *ssp) {}
+
 static inline void cleanup_srcu_struct(struct srcu_struct *ssp) {}
 
+static inline void call_srcu(struct srcu_struct *ssp, struct rcu_head *rhp,
+			     rcu_callback_t func)
+{
+	func(rhp);
+}
+
 static inline int init_srcu_struct(struct srcu_struct *ssp)
 {
 	return 0;