From 93a729f294b4f61483db4df3ded6e8570822fa01 Mon Sep 17 00:00:00 2001
From: Colin Patrick McCabe <cmccabe@alumni.cmu.edu>
Date: Tue, 18 Jan 2011 07:56:07 -0800
Subject: [PATCH] mds: add comment explaining MDSMap::max_mds

Signed-off-by: Colin McCabe <colin.mccabe@dreamhost.com>
---
 src/mds/MDSMap.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mds/MDSMap.h b/src/mds/MDSMap.h
index 7966b4f42dac2..69401cde21635 100644
--- a/src/mds/MDSMap.h
+++ b/src/mds/MDSMap.h
@@ -171,7 +171,8 @@ protected:
    *    @up + @failed = @in.  @in * @stopped = {}.
    */
 
-  uint32_t max_mds;
+  uint32_t max_mds; /* The maximum number of active MDSes. Also, the maximum rank. */
+
   set<int32_t> in;              // currently defined cluster
   map<int32_t,int32_t> inc;     // most recent incarnation.
   set<int32_t> failed, stopped; // which roles are failed or stopped
-- 
2.39.5