Merge ../linux-2.6 by hand

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / rwsem.h

diff --git a/include/asm-powerpc/rwsem.h b/include/asm-powerpc/rwsem.h
index 0a5b83a3c9491a7e8f6bc59065d9577cb4539370..79bae4933b73a2e57cd34c9d6ba7a18229095027 100644 (file)
--- a/include/asm-powerpc/rwsem.h
+++ b/include/asm-powerpc/rwsem.h
@@ -159,5 +159,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
        return atomic_add_return(delta, (atomic_t *)(&sem->count));
 }
 
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+       return (sem->count != 0);
+}
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_RWSEM_H */