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 dba06ee05d1e9a52fe6d85985ed0243157b9b52f..7e34a03c29ce978e730779bf191b1024f2b6a52b 100644 (file)
--- 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)