X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=lib%2Frwsem.c;h=cdb4e3d0560733c2706a27ccd20681017da2e34a;hb=14f7d720bb6cc60be8931ea1a0f547dc1e475b88;hp=bae597284889e9ea3db078ec7c2907016655541e;hpb=c4e05116a2c4d8187127dbf77ab790aa57a47388;p=powerpc.git

diff --git a/lib/rwsem.c b/lib/rwsem.c
index bae5972848..cdb4e3d056 100644
--- a/lib/rwsem.c
+++ b/lib/rwsem.c
@@ -8,6 +8,26 @@
 #include <linux/init.h>
 #include <linux/module.h>
 
+/*
+ * Initialize an rwsem:
+ */
+void __init_rwsem(struct rw_semaphore *sem, const char *name,
+		  struct lock_class_key *key)
+{
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	/*
+	 * Make sure we are not reinitializing a held semaphore:
+	 */
+	debug_check_no_locks_freed((void *)sem, sizeof(*sem));
+	lockdep_init_map(&sem->dep_map, name, key, 0);
+#endif
+	sem->count = RWSEM_UNLOCKED_VALUE;
+	spin_lock_init(&sem->wait_lock);
+	INIT_LIST_HEAD(&sem->wait_list);
+}
+
+EXPORT_SYMBOL(__init_rwsem);
+
 struct rwsem_waiter {
 	struct list_head list;
 	struct task_struct *task;
@@ -126,7 +146,7 @@ __rwsem_do_wake(struct rw_semaphore *sem, int downgrading)
 /*
  * wait for a lock to be granted
  */
-static inline struct rw_semaphore *
+static struct rw_semaphore *
 rwsem_down_failed_common(struct rw_semaphore *sem,
 			struct rwsem_waiter *waiter, signed long adjustment)
 {