Remove the placeholder LWLockId in place of the removed FreeSpaceLock.

As pointed out by ITAGAKI Takahiro, we split SInvalLock into two in 8.4,
so to keep the numbers of the rest of the locks unchanged from 8.3, we
don't need a placeholder.

diff --git a/src/include/storage/lwlock.h b/src/include/storage/lwlock.h
index a323db89410257b323f9b680e8bef6ddb723c401..e389c61c1d06fe002ef394c5e14094e6988348d4 100644 (file)
--- a/src/include/storage/lwlock.h
+++ b/src/include/storage/lwlock.h
@@ -36,9 +36,9 @@
  * The extra value MaxDynamicLWLock is there to keep the compiler from
  * deciding that the enum can be represented as char or short ...
  *
- * If you remove a lock, please replace it with a placeholder like was done
- * for FreeSpaceMapLock. This retains the lock numbering, which is helpful for
- * DTrace and other external debugging scripts.
+ * If you remove a lock, please replace it with a placeholder. This retains
+ * the lock numbering, which is helpful for DTrace and other external
+ * debugging scripts.
  */
 typedef enum LWLockId
 {
@@ -49,7 +49,6 @@ typedef enum LWLockId
        ProcArrayLock,
        SInvalReadLock,
        SInvalWriteLock,
-       UnusedLock1,                            /* FreeSpaceMapLock used to be here */
        WALInsertLock,
        WALWriteLock,
        ControlFileLock,