From b443000a291988a33cbb2faa416b8343ecf98b1d Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Thu, 10 Oct 2013 11:27:34 +0100
Subject: [PATCH] [caching/metadata_dump] valid_blocks should have been passed
 by reference

---
 caching/metadata_dump.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/caching/metadata_dump.cc b/caching/metadata_dump.cc
index d0e5367..735d09b 100644
--- a/caching/metadata_dump.cc
+++ b/caching/metadata_dump.cc
@@ -64,7 +64,7 @@ namespace {
 
 	class hint_emitter : public hint_visitor {
 	public:
-		hint_emitter(emitter::ptr e, set<block_address> valid_blocks)
+		hint_emitter(emitter::ptr e, set<block_address> &valid_blocks)
 			: e_(e),
 			  valid_blocks_(valid_blocks) {
 		}