From: Piotr Dałek <piotr.dalek@ts.fujitsu.com>
Date: Thu, 16 Jul 2015 09:10:37 +0000 (+0200)
Subject: buffer.cc: postpone crc cache invalidation in bufferlist::rebuild()
X-Git-Tag: v9.1.0~333^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ae2396ec07c83b8f0d01618cdcc98ceec85ef0df;p=ceph.git

buffer.cc: postpone crc cache invalidation in bufferlist::rebuild()

Postpone CRC cache invalidation. Do it only once after all data have
been moved.

Signed-off-by: Piotr Dałek <piotr.dalek@ts.fujitsu.com>
---

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)