diff --git a/source/dnode/vnode/src/inc/tsdb.h b/source/dnode/vnode/src/inc/tsdb.h
index d2429391ab..ca80fe394a 100644
--- a/source/dnode/vnode/src/inc/tsdb.h
+++ b/source/dnode/vnode/src/inc/tsdb.h
@@ -101,7 +101,28 @@ int   tsdbCopyDFileSet(SDFileSet *pSrc, SDFileSet *pDest);
 void  tsdbGetFidKeyRange(int days, int8_t precision, int fid, TSKEY *minKey, TSKEY *maxKey);
 
 // tsdbFS.c ==============================================================================================
-typedef struct STsdbFS STsdbFS;
+typedef struct STsdbFS     STsdbFS;
+typedef struct SFSIter     SFSIter;
+typedef struct STsdbFSMeta STsdbFSMeta;
+
+STsdbFS *tsdbNewFS(const STsdbKeepCfg *pCfg);
+void    *tsdbFreeFS(STsdbFS *pfs);
+int      tsdbOpenFS(STsdb *pRepo);
+void     tsdbCloseFS(STsdb *pRepo);
+void     tsdbStartFSTxn(STsdb *pRepo, int64_t pointsAdd, int64_t storageAdd);
+int      tsdbEndFSTxn(STsdb *pRepo);
+int      tsdbEndFSTxnWithError(STsdbFS *pfs);
+void     tsdbUpdateFSTxnMeta(STsdbFS *pfs, STsdbFSMeta *pMeta);
+// void     tsdbUpdateMFile(STsdbFS *pfs, const SMFile *pMFile);
+int tsdbUpdateDFileSet(STsdbFS *pfs, const SDFileSet *pSet);
+
+void       tsdbFSIterInit(SFSIter *pIter, STsdbFS *pfs, int direction);
+void       tsdbFSIterSeek(SFSIter *pIter, int fid);
+SDFileSet *tsdbFSIterNext(SFSIter *pIter);
+int        tsdbLoadMetaCache(STsdb *pRepo, bool recoverMeta);
+int        tsdbRLockFS(STsdbFS *pFs);
+int        tsdbWLockFS(STsdbFS *pFs);
+int        tsdbUnLockFS(STsdbFS *pFs);
 
 // tsdbMemTable ================
 typedef struct STbData       STbData;
@@ -208,11 +229,11 @@ struct STsdbMemTable {
   SHashObj  *pHashIdx;
 };
 
-typedef struct {
+struct STsdbFSMeta {
   uint32_t version;       // Commit version from 0 to increase
   int64_t  totalPoints;   // total points
   int64_t  totalStorage;  // Uncompressed total storage
-} STsdbFSMeta;
+};
 
 // ==================
 typedef struct {
@@ -573,21 +594,7 @@ static FORCE_INLINE uint32_t tsdbGetDFSVersion(TSDB_FILE_T fType) {  // latest v
 
 // =============== SDFileSet
 
-typedef struct {
-  int      fid;
-  int8_t   state;
-  uint8_t  ver;
-  uint16_t reserve;
-#if 0
-  SDFInfo   info;
-#endif
-  STfsFile  f;
-  TdFilePtr pFile;
-
-} SSFile;  // files split by days with fid
-
-#define TSDB_LATEST_FSET_VER 0
-
+#define TSDB_LATEST_FSET_VER    0
 #define TSDB_FSET_FID(s)        ((s)->fid)
 #define TSDB_FSET_STATE(s)      ((s)->state)
 #define TSDB_FSET_VER(s)        ((s)->ver)
@@ -634,61 +641,18 @@ typedef struct {
 #define FS_VERSION(pfs)        ((pfs)->cstatus->meta.version)
 #define FS_TXN_VERSION(pfs)    ((pfs)->nstatus->meta.version)
 
-typedef struct {
+struct SFSIter {
   int        direction;
   uint64_t   version;  // current FS version
   STsdbFS   *pfs;
   int        index;  // used to position next fset when version the same
   int        fid;    // used to seek when version is changed
   SDFileSet *pSet;
-} SFSIter;
+};
 
 #define TSDB_FS_ITER_FORWARD  TSDB_ORDER_ASC
 #define TSDB_FS_ITER_BACKWARD TSDB_ORDER_DESC
 
-STsdbFS *tsdbNewFS(const STsdbKeepCfg *pCfg);
-void    *tsdbFreeFS(STsdbFS *pfs);
-int      tsdbOpenFS(STsdb *pRepo);
-void     tsdbCloseFS(STsdb *pRepo);
-void     tsdbStartFSTxn(STsdb *pRepo, int64_t pointsAdd, int64_t storageAdd);
-int      tsdbEndFSTxn(STsdb *pRepo);
-int      tsdbEndFSTxnWithError(STsdbFS *pfs);
-void     tsdbUpdateFSTxnMeta(STsdbFS *pfs, STsdbFSMeta *pMeta);
-// void     tsdbUpdateMFile(STsdbFS *pfs, const SMFile *pMFile);
-int tsdbUpdateDFileSet(STsdbFS *pfs, const SDFileSet *pSet);
-
-void       tsdbFSIterInit(SFSIter *pIter, STsdbFS *pfs, int direction);
-void       tsdbFSIterSeek(SFSIter *pIter, int fid);
-SDFileSet *tsdbFSIterNext(SFSIter *pIter);
-int        tsdbLoadMetaCache(STsdb *pRepo, bool recoverMeta);
-
-static FORCE_INLINE int tsdbRLockFS(STsdbFS *pFs) {
-  int code = taosThreadRwlockRdlock(&(pFs->lock));
-  if (code != 0) {
-    terrno = TAOS_SYSTEM_ERROR(code);
-    return -1;
-  }
-  return 0;
-}
-
-static FORCE_INLINE int tsdbWLockFS(STsdbFS *pFs) {
-  int code = taosThreadRwlockWrlock(&(pFs->lock));
-  if (code != 0) {
-    terrno = TAOS_SYSTEM_ERROR(code);
-    return -1;
-  }
-  return 0;
-}
-
-static FORCE_INLINE int tsdbUnLockFS(STsdbFS *pFs) {
-  int code = taosThreadRwlockUnlock(&(pFs->lock));
-  if (code != 0) {
-    terrno = TAOS_SYSTEM_ERROR(code);
-    return -1;
-  }
-  return 0;
-}
-
 struct TSDBROW {
   int64_t version;
   STSRow2 tsRow;
diff --git a/source/dnode/vnode/src/tsdb/tsdbFS.c b/source/dnode/vnode/src/tsdb/tsdbFS.c
index 19a79ac5c4..f1941a3bad 100644
--- a/source/dnode/vnode/src/tsdb/tsdbFS.c
+++ b/source/dnode/vnode/src/tsdb/tsdbFS.c
@@ -952,13 +952,6 @@ static int tsdbRestoreDFileSet(STsdb *pRepo) {
 }
 
 static int tsdbRestoreCurrent(STsdb *pRepo) {
-  // // Loop to recover mfile
-  // if (tsdbRestoreMeta(pRepo) < 0) {
-  //   tsdbError("vgId:%d, failed to restore current since %s", REPO_ID(pRepo), tstrerror(terrno));
-  //   return -1;
-  // }
-
-  // Loop to recover dfile set
   if (tsdbRestoreDFileSet(pRepo) < 0) {
     tsdbError("vgId:%d, failed to restore DFileSet since %s", REPO_ID(pRepo), tstrerror(terrno));
     return -1;
@@ -1041,3 +1034,30 @@ static void tsdbScanAndTryFixDFilesHeader(STsdb *pRepo, int32_t *nExpired) {
     tsdbCloseDFileSet(&fset);
   }
 }
+
+int tsdbRLockFS(STsdbFS *pFs) {
+  int code = taosThreadRwlockRdlock(&(pFs->lock));
+  if (code != 0) {
+    terrno = TAOS_SYSTEM_ERROR(code);
+    return -1;
+  }
+  return 0;
+}
+
+int tsdbWLockFS(STsdbFS *pFs) {
+  int code = taosThreadRwlockWrlock(&(pFs->lock));
+  if (code != 0) {
+    terrno = TAOS_SYSTEM_ERROR(code);
+    return -1;
+  }
+  return 0;
+}
+
+int tsdbUnLockFS(STsdbFS *pFs) {
+  int code = taosThreadRwlockUnlock(&(pFs->lock));
+  if (code != 0) {
+    terrno = TAOS_SYSTEM_ERROR(code);
+    return -1;
+  }
+  return 0;
+}
\ No newline at end of file