--- src/sys/vfs/hammer/hammer_disk.h	2008/06/23 07:31:14	1.41
+++ src/sys/vfs/hammer/hammer_disk.h	2008/06/23 21:42:48	1.42
@@ -211,6 +211,12 @@ typedef u_int32_t hammer_crc_t;
 	((hammer_off_t)HAMMER_BUFFERS_PER_LARGEBLOCK_MASK)
 
 /*
+ * Maximum number of mirrors operating in master mode (multi-master
+ * clustering and mirroring).
+ */
+#define HAMMER_MAX_MASTERS		16
+
+/*
  * The blockmap is somewhat of a degenerate structure.  HAMMER only actually
  * uses it in its original incarnation to implement the free-map.
  *