nommu: struct vm_region's vm_usage count need not be atomic

[safe/jmp/linux-2.6] / include / linux / srcu.h

diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 947fdab..4765d97 100644 (file)
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -24,6 +24,9 @@
  *
  */
 
+#ifndef _LINUX_SRCU_H
+#define _LINUX_SRCU_H
+
 struct srcu_struct_array {
        int c[2];
 };
@@ -40,10 +43,12 @@ struct srcu_struct {
 #define srcu_barrier()
 #endif /* #else #ifndef CONFIG_PREEMPT */
 
-void init_srcu_struct(struct srcu_struct *sp);
+int init_srcu_struct(struct srcu_struct *sp);
 void cleanup_srcu_struct(struct srcu_struct *sp);
 int srcu_read_lock(struct srcu_struct *sp) __acquires(sp);
 void srcu_read_unlock(struct srcu_struct *sp, int idx) __releases(sp);
 void synchronize_srcu(struct srcu_struct *sp);
+void synchronize_srcu_expedited(struct srcu_struct *sp);
 long srcu_batches_completed(struct srcu_struct *sp);
-void cleanup_srcu_struct(struct srcu_struct *sp);
+
+#endif