From 3119cf5ceea6253d1623a09e8716c29901b04d70 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Mon, 16 Oct 2017 14:25:30 -0500
Subject: [PATCH] include/mempool: add flat_set alias

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/include/mempool.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/include/mempool.h b/src/include/mempool.h
index e4c8c32b68b..99dbcc9738f 100644
--- a/src/include/mempool.h
+++ b/src/include/mempool.h
@@ -24,6 +24,8 @@
 #include <mutex>
 #include <atomic>
 #include <typeinfo>
+#include <boost/container/flat_set.hpp>
+#include <boost/container/flat_map.hpp>
 
 #include <common/Formatter.h>
 #include "include/assert.h"
@@ -405,6 +407,13 @@ public:
     template<typename k, typename cmp = std::less<k> >			\
     using set = std::set<k,cmp,pool_allocator<k>>;			\
                                                                         \
+    template<typename k, typename cmp = std::less<k> >			\
+    using flat_set = boost::container::flat_set<k,cmp,pool_allocator<k>>; \
+									\
+    template<typename k, typename v, typename cmp = std::less<k> >	\
+    using flat_map = boost::container::flat_map<k,v,cmp,		\
+						pool_allocator<std::pair<k,v>>>; \
+                                                                        \
     template<typename v>						\
     using list = std::list<v,pool_allocator<v>>;			\
                                                                         \
-- 
2.39.5