From 7abf87a5e3f854478584815a2d8c7f05d4482d2c Mon Sep 17 00:00:00 2001
From: Sage Weil <sage.weil@dreamhost.com>
Date: Wed, 23 Feb 2011 15:10:45 -0800
Subject: [PATCH] mds: fix gratuitous map lookup

Signed-off-by: Sage Weil <sage.weil@dreamhost.com>
---
 src/mds/MDCache.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 4ca113c9330f5..c089aac7b4ed3 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -3861,8 +3861,9 @@ void MDCache::handle_cache_rejoin_ack(MMDSCacheRejoin *ack)
     dout(10) << " got " << *dir << dendl;
 
     // dentries
-    for (map<string_snap_t,MMDSCacheRejoin::dn_strong>::iterator q = ack->strong_dentries[p->first].begin();
-	 q != ack->strong_dentries[p->first].end();
+    map<string_snap_t,MMDSCacheRejoin::dn_strong>& dmap = ack->strong_dentries[p->first];
+    for (map<string_snap_t,MMDSCacheRejoin::dn_strong>::iterator q = dmap.begin();
+	 q != dmap.end();
 	 ++q) {
       CDentry *dn = dir->lookup(q->first.name, q->first.snapid);
       if (!dn) continue;  // must have trimmed?
-- 
2.39.5