os/bluestore: fix bufferspace stats leak due to blob splitting

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 140a8e62bd250cacf78172460394418a19edfa62..a9f7a1edbcc42872932f9f702fca29c66524deff 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -1142,6 +1142,7 @@ void BlueStore::BufferSpace::split(size_t pos, BlueStore::BufferSpace &r)
        r._add_buffer(new Buffer(&r, p->second->state, p->second->seq, 0, right),
                      0, p->second.get());
       }
+      cache->_adjust_buffer_size(p->second.get(), -right);
       p->second->truncate(left);
       break;
     }