vnode/cos: fix get callback buffer

source/common/CMakeLists.txt

@@ -22,6 +22,9 @@ IF (TD_STORAGE)
       add_definitions(-DUSE_COS)
     ENDIF(${BUILD_WITH_COS})
 
+    IF(${BUILD_WITH_S3})
+      add_definitions(-DUSE_S3)
+    ENDIF(${BUILD_WITH_S3})
   ENDIF(${TD_LINUX})
 
 ENDIF ()

source/common/src/tglobal.c

@@ -329,7 +329,7 @@ int32_t taosSetS3Cfg(SConfig *pCfg) {
     }
   }
   if (tsS3BucketName[0] != '<' && tsDiskCfgNum > 1) {
-#ifdef USE_COS
+#if defined(USE_COS) || defined(USE_S3)
     tsS3Enabled = true;
 #endif
   }

source/dnode/vnode/CMakeLists.txt

@@ -164,7 +164,6 @@ target_link_libraries(
 if(${TD_LINUX})
 
 if(${BUILD_WITH_S3})
-  MESSAGE("build with s3: ${BUILD_WITH_S3}")
   target_include_directories(
     vnode
 

source/dnode/vnode/src/vnd/vnodeCos.c

@@ -721,7 +721,7 @@ static S3Status getObjectDataCallback(int bufferSize, const char *buffer, void *
   char *buf = taosMemoryCalloc(1, bufferSize);
   if (buf) {
     memcpy(buf, buffer, bufferSize);
-
+    cbd->buf = buf;
     cbd->status = S3StatusOK;
     return S3StatusOK;
   } else {