[refactor] CurveBS: unify bs and fs apply queue

Signed-off-by: Xinlong Chen <xl_chen@zju.edu.cn>

Author: Xinlong-Chen

.clang-format

@@ -4,7 +4,6 @@ BasedOnStyle:  Google
 AccessModifierOffset: -3
 DerivePointerAlignment: false
 IndentWidth:     4
-AlignAfterOpenBracket: DontAlign
 ---
 Language: Proto
 BasedOnStyle:  Google

curvefs/src/metaserver/BUILD

@@ -64,6 +64,7 @@ cc_library(
         "//curvefs/src/client:filesystem_xattr",
         "//external:braft",
         "//src/common:curve_common",
+        "//src/chunkserver/concurrent_apply:chunkserver_concurrent_apply",
         "//src/fs:lfs",
         "//curvefs/src/common:dynamic_vlog",
         "//curvefs/src/common:threading",

curvefs/src/metaserver/copyset/concurrent_apply_queue.cpp

@@ -31,15 +31,17 @@
 #include <memory>
 #include <string>
 
-#include "curvefs/src/metaserver/copyset/concurrent_apply_queue.h"
 #include "curvefs/src/metaserver/copyset/trash.h"
 #include "curvefs/src/metaserver/storage/config.h"
+#include "src/chunkserver/concurrent_apply/concurrent_apply.h"
 #include "src/fs/local_filesystem.h"
 
 namespace curvefs {
 namespace metaserver {
 namespace copyset {
 
+using ApplyOption = ::curve::chunkserver::concurrent::ConcurrentApplyOption;
+
 // Options for copyset node and relative modules
 struct CopysetNodeOptions {
     // copyset's data uri