diff --git a/src/inc/tfs.h b/src/inc/tfs.h
index 3c0ae1ed75d848673b72b24b0e181b6b318dc61c..c02dc2bb0f6234dd5dc4e6470abf4b0eb200f913 100644
--- a/src/inc/tfs.h
+++ b/src/inc/tfs.h
@@ -22,6 +22,16 @@
 extern "C" {
 #endif
 
+typedef struct {
+  int level;
+  int id;
+} SDiskID;
+
+typedef struct {
+  SDiskID did;
+  char    fname[TSDB_FILENAME_LEN];
+} STfsFile;
+
 int  tfsInit(SDiskCfg *pDiskCfg, int ndisk);
 void tfsDestroy();
 int  tfsUpdateInfo();
diff --git a/src/tfs/inc/tdisk.h b/src/tfs/inc/tdisk.h
index 532dc6a39fb980623b6fc496df2defc2b9d3895d..f15512355dcfb0c2538c0e10313274b836925436 100644
--- a/src/tfs/inc/tdisk.h
+++ b/src/tfs/inc/tdisk.h
@@ -20,11 +20,6 @@
 extern "C" {
 #endif
 
-typedef struct {
-  int level;
-  int id;
-} SDiskID;
-
 typedef struct {
   uint64_t size;
   uint64_t free;
diff --git a/src/tsdb/inc/tsdbMain.h b/src/tsdb/inc/tsdbMain.h
index cb21108e9d4e506905d7588ed7728abd34220f49..fce5fb1eaf43fe5463547628777eb9b09cbc6db8 100644
--- a/src/tsdb/inc/tsdbMain.h
+++ b/src/tsdb/inc/tsdbMain.h
@@ -26,7 +26,7 @@
 #include "tsdb.h"
 #include "tskiplist.h"
 #include "tutil.h"
-#include "tmount.h"
+#include "tfs.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -189,9 +189,10 @@ typedef struct {
 } STsdbFileInfo;
 
 typedef struct {
-  char  fname[TSDB_FILENAME_LEN];
-  int   fd;
+  // char  fname[TSDB_FILENAME_LEN];
+  // int   fd;
 
+  STfsFile tfile;
   STsdbFileInfo info;
 } SFile;