os/KeyValueStore, MemStore: fix warning

os/MemStore.cc: In member function 'void MemStore::_do_transaction(ObjectStore::Transaction&)':
os/MemStore.cc:956:18: warning: unused variable 'expected_object_size' [-Wunused-variable]
os/MemStore.cc:957:18: warning: unused variable 'expected_write_size' [-Wunused-variable]
os/KeyValueStore.cc: In member function 'unsigned int KeyValueStore::_do_transaction(ObjectStore::Transaction&, KeyValueStore::BufferTransaction&, ThreadPool::TPHandle*)':
os/KeyValueStore.cc:1426:18: warning: unused variable 'expected_object_size' [-Wunused-variable]
os/KeyValueStore.cc:1427:18: warning: unused variable 'expected_write_size' [-Wunused-variable]

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/src/os/KeyValueStore.cc b/src/os/KeyValueStore.cc
index 04dbb335457c103af5a47e027c54d9b3e801b4c6..17c0c3b4d25a11f8e8b55d6750cbe469de7e50ca 100644 (file)
--- a/src/os/KeyValueStore.cc
+++ b/src/os/KeyValueStore.cc
@@ -1423,8 +1423,8 @@ unsigned KeyValueStore::_do_transaction(Transaction& transaction,
         // TODO: can kvstore make use of the hint?
         coll_t cid(i.get_cid());
         ghobject_t oid = i.get_oid();
-        uint64_t expected_object_size = i.get_length();
-        uint64_t expected_write_size = i.get_length();
+        (void)i.get_length();  // discard result
+        (void)i.get_length();  // discard result
       }
       break;
 

diff --git a/src/os/MemStore.cc b/src/os/MemStore.cc
index 77fc7f5f63ea1f7d4413ba46a1a8df674ef9a052..952866a0b07d2c9a685bcd99fdef20f74e3fdfdb 100644 (file)
--- a/src/os/MemStore.cc
+++ b/src/os/MemStore.cc
@@ -953,8 +953,8 @@ void MemStore::_do_transaction(Transaction& t)
       {
         coll_t cid(i.get_cid());
         ghobject_t oid = i.get_oid();
-        uint64_t expected_object_size = i.get_length();
-        uint64_t expected_write_size = i.get_length();
+        (void)i.get_length();  // discard result
+        (void)i.get_length();  // discard result
       }
       break;