Fix inner/outer for write

src/filelock/read_write/_api.py

@@ -205,9 +205,16 @@ def acquire(
                 lock.release()
 
         """
-        with self._outer_lock:
-            self._inner_lock.acquire()
-        return AcquireReturnProxy(lock=self)
+        if self.read_write_mode == ReadWriteMode.READ:
+            with self._outer_lock:
+                self._inner_lock.acquire()
+            return AcquireReturnProxy(lock=self)
+        elif self.read_write_mode == ReadWriteMode.WRITE:
+            self._outer_lock.acquire()
+            with self._inner_lock:
+                # Just acquire.
+                pass
+            return AcquireReturnProxy(lock=self)
 
     def release(self, force: bool = False) -> None:  # noqa: FBT001, FBT002
         """
@@ -217,7 +224,10 @@ def release(self, force: bool = False) -> None:  # noqa: FBT001, FBT002
         :param force: If true, the lock counter is ignored and the lock is released in every case/
 
         """
-        self._inner_lock.release(force=force)
+        if self.read_write_mode == ReadWriteMode.READ:
+            self._inner_lock.release(force=force)
+        elif self.read_write_mode == ReadWriteMode.WRITE:
+            self._outer_lock.release(force=force)
 
     def __enter__(self) -> Self:
         """