From ae2396ec07c83b8f0d01618cdcc98ceec85ef0df Mon Sep 17 00:00:00 2001
From: =?utf8?q?Piotr=20Da=C5=82ek?= <piotr.dalek@ts.fujitsu.com>
Date: Thu, 16 Jul 2015 11:10:37 +0200
Subject: [PATCH] buffer.cc: postpone crc cache invalidation in
 bufferlist::rebuild()
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Postpone CRC cache invalidation. Do it only once after all data have
been moved.

Signed-off-by: Piotr Dałek <piotr.dalek@ts.fujitsu.com>
---
 src/common/buffer.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index dba06ee05d1e..7e34a03c29ce 100644
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -1349,12 +1349,13 @@ static simple_spinlock_t buffer_debug_lock = SIMPLE_SPINLOCK_INITIALIZER;
     for (std::list<ptr>::iterator it = _buffers.begin();
 	 it != _buffers.end();
 	 ++it) {
-      nb.copy_in(pos, it->length(), it->c_str());
+      nb.copy_in(pos, it->length(), it->c_str(), false);
       pos += it->length();
     }
     _memcopy_count += pos;
     _buffers.clear();
     _buffers.push_back(nb);
+    invalidate_crc();
   }
 
 void buffer::list::rebuild_aligned(unsigned align)
-- 
2.47.3