Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee13...
[pandora-kernel.git] / include / asm-ia64 / rwsem.h
index e18b5ab..2d1640c 100644 (file)
@@ -33,9 +33,6 @@ struct rw_semaphore {
        signed long             count;
        spinlock_t              wait_lock;
        struct list_head        wait_list;
-#if RWSEM_DEBUG
-       int                     debug;
-#endif
 };
 
 #define RWSEM_UNLOCKED_VALUE           __IA64_UL_CONST(0x0000000000000000)
@@ -45,19 +42,9 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_READ_BIAS         RWSEM_ACTIVE_BIAS
 #define RWSEM_ACTIVE_WRITE_BIAS                (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 
-/*
- * initialization
- */
-#if RWSEM_DEBUG
-#define __RWSEM_DEBUG_INIT      , 0
-#else
-#define __RWSEM_DEBUG_INIT     /* */
-#endif
-
 #define __RWSEM_INITIALIZER(name) \
        { RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, \
-         LIST_HEAD_INIT((name).wait_list) \
-         __RWSEM_DEBUG_INIT }
+         LIST_HEAD_INIT((name).wait_list) }
 
 #define DECLARE_RWSEM(name) \
        struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -73,9 +60,6 @@ init_rwsem (struct rw_semaphore *sem)
        sem->count = RWSEM_UNLOCKED_VALUE;
        spin_lock_init(&sem->wait_lock);
        INIT_LIST_HEAD(&sem->wait_list);
-#if RWSEM_DEBUG
-       sem->debug = 0;
-#endif
 }
 
 /*
@@ -186,4 +170,9 @@ __downgrade_write (struct rw_semaphore *sem)
 #define rwsem_atomic_add(delta, sem)   atomic64_add(delta, (atomic64_t *)(&(sem)->count))
 #define rwsem_atomic_update(delta, sem)        atomic64_add_return(delta, (atomic64_t *)(&(sem)->count))
 
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+       return (sem->count != 0);
+}
+
 #endif /* _ASM_IA64_RWSEM_H */