From b5a9cd6043477cecb7d2521e0eefaa61de084e5d Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Thu, 21 Aug 2014 14:20:36 +0100
Subject: [PATCH] [block-cache] Create just one noop_validator

No need to create a separate one for each block.
---
 block-cache/block_cache.cc | 5 +++--
 block-cache/block_cache.h  | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/block-cache/block_cache.cc b/block-cache/block_cache.cc
index 3b44601..5bb9bfe 100644
--- a/block-cache/block_cache.cc
+++ b/block-cache/block_cache.cc
@@ -403,7 +403,7 @@ block_cache::new_block(block_address index)
 
 		b->error_ = 0;
 		b->flags_ = 0;
-		b->v_ = validator::ptr(new noop_validator);
+		b->v_ = noop_validator_;
 
 		b->index_ = index;
 		setup_control_block(*b);
@@ -450,7 +450,8 @@ block_cache::block_cache(int fd, sector_t block_size, uint64_t on_disk_blocks, s
 	  write_zeroes_(0),
 	  write_hits_(0),
 	  write_misses_(0),
-	  prefetches_(0)
+	  prefetches_(0),
+	  noop_validator_(new noop_validator())
 {
 	int r;
 	unsigned nr_cache_blocks = calc_nr_cache_blocks(mem, block_size);
diff --git a/block-cache/block_cache.h b/block-cache/block_cache.h
index 5cf9b27..4bc6667 100644
--- a/block-cache/block_cache.h
+++ b/block-cache/block_cache.h
@@ -214,6 +214,8 @@ namespace bcache {
 		unsigned write_hits_;
 		unsigned write_misses_;
 		unsigned prefetches_;
+
+		validator::ptr noop_validator_;
 	};
 }