Merge branch 'master' into ysato-h8300

[uclinux-h8/linux.git] / include / linux / srcu.h

diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index a2783cb..bdeb456 100644 (file)
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -45,7 +45,7 @@ struct rcu_batch {
 #define RCU_BATCH_INIT(name) { NULL, &(name.head) }
 
 struct srcu_struct {
-       unsigned completed;
+       unsigned long completed;
        struct srcu_struct_array __percpu *per_cpu_ref;
        spinlock_t queue_lock; /* protect ->batch_queue, ->running */
        bool running;
@@ -102,13 +102,11 @@ void process_srcu(struct work_struct *work);
  * define and init a srcu struct at build time.
  * dont't call init_srcu_struct() nor cleanup_srcu_struct() on it.
  */
-#define DEFINE_SRCU(name)                                              \
+#define __DEFINE_SRCU(name, is_static)                                 \
        static DEFINE_PER_CPU(struct srcu_struct_array, name##_srcu_array);\
-       struct srcu_struct name = __SRCU_STRUCT_INIT(name);
-
-#define DEFINE_STATIC_SRCU(name)                                       \
-       static DEFINE_PER_CPU(struct srcu_struct_array, name##_srcu_array);\
-       static struct srcu_struct name = __SRCU_STRUCT_INIT(name);
+       is_static struct srcu_struct name = __SRCU_STRUCT_INIT(name)
+#define DEFINE_SRCU(name)              __DEFINE_SRCU(name, /* not static */)
+#define DEFINE_STATIC_SRCU(name)       __DEFINE_SRCU(name, static)
 
 /**
  * call_srcu() - Queue a callback for invocation after an SRCU grace period
@@ -135,7 +133,7 @@ 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);
+unsigned long srcu_batches_completed(struct srcu_struct *sp);
 void srcu_barrier(struct srcu_struct *sp);
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
@@ -184,7 +182,7 @@ static inline int srcu_read_lock_held(struct srcu_struct *sp)
  * lockdep_is_held() calls.
  */
 #define srcu_dereference_check(p, sp, c) \
-       __rcu_dereference_check((p), srcu_read_lock_held(sp) || (c), __rcu)
+       __rcu_dereference_check((p), (c) || srcu_read_lock_held(sp), __rcu)
 
 /**
  * srcu_dereference - fetch SRCU-protected pointer for later dereferencing