os/bluestore/BlueStore: no need to recalc.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index b52d5ce3e1bcd7028e36769b88d1ae3e14e8f868..c07cff4bf46f6e7013174e6426a482e867309d51 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -9301,7 +9301,7 @@ void BlueStore::_pad_zeros(
     bl->append(z);
     bl->claim_append(t);
     *offset -= front_pad;
-    length += front_pad + back_pad;
+    length += pad_count;
   }
 
   // back