From: Kefu Chai <kchai@redhat.com>
Date: Tue, 10 Apr 2018 06:07:17 +0000 (+0800)
Subject: osd,mds: use map::merge() whenever appropriate
X-Git-Tag: v13.1.0~333^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F21310%2Fhead;p=ceph.git

osd,mds: use map::merge() whenever appropriate

and use explicit std::move() when map::merge() is not available.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/mds/OpenFileTable.cc b/src/mds/OpenFileTable.cc
index cc64d42c523fb..0e30e975cf5e0 100644
--- a/src/mds/OpenFileTable.cc
+++ b/src/mds/OpenFileTable.cc
@@ -347,8 +347,10 @@ void OpenFileTable::commit(MDSInternalContextBase *c, uint64_t log_seq, int op_p
     ctl.journaled_update.merge(ctl.to_update);
     ctl.journaled_remove.merge(ctl.to_remove);
 #else
-    ctl.journaled_update.insert(ctl.to_update.begin(), ctl.to_update.end());
-    ctl.journaled_remove.insert(ctl.to_remove.begin(), ctl.to_remove.end());
+    ctl.journaled_update.insert(make_move_iterator(begin(ctl.to_update)),
+				make_move_iterator(end(ctl.to_update)));
+    ctl.journaled_remove.insert(make_move_iterator(begin(ctl.to_remove)),
+				make_move_iterator(end(ctl.to_remove)));
 #endif
     ctl.to_update.clear();
     ctl.to_remove.clear();
diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc
index 546ad2d95473d..e3b79082133c6 100644
--- a/src/osd/OSD.cc
+++ b/src/osd/OSD.cc
@@ -940,8 +940,12 @@ void OSDService::remove_want_pg_temp(pg_t pgid)
 
 void OSDService::_sent_pg_temp()
 {
+#ifdef HAVE_STDLIB_MAP_SPLICING
+  pg_temp_pending.merge(pg_temp_wanted);
+#else
   pg_temp_pending.insert(make_move_iterator(begin(pg_temp_wanted)),
 			 make_move_iterator(end(pg_temp_wanted)));
+#endif
   pg_temp_wanted.clear();
 }