diff --git a/src/tsdb/inc/tsdbFS.h b/src/tsdb/inc/tsdbFS.h
index 0003d83c3f5beaea3efc7ca79595044c38bf3e1a..75567ef8c0d6da7bd062e9083db22a293ad2ef8e 100644
--- a/src/tsdb/inc/tsdbFS.h
+++ b/src/tsdb/inc/tsdbFS.h
@@ -47,10 +47,6 @@ typedef struct {
   SDFileSet* pSet;
 } SFSIter;
 
-#define TSDB_FILE_INFO(tf) (&((tf)->info))
-#define TSDB_FILE_F(tf) (&((tf)->f)))
-#define TSDB_FILE_FD(tf) ((tf)->fd)
-
 int        tsdbOpenFS(STsdbRepo* pRepo);
 void       tsdbCloseFS(STsdbRepo* pRepo);
 int        tsdbFSNewTxn(STsdbRepo* pRepo);
diff --git a/src/tsdb/inc/tsdbFile.h b/src/tsdb/inc/tsdbFile.h
index ffe2ba557a27cec2f12d7c2780db8e704db5d7ba..57c365c48d0f6e921137c76064e85c2c07c53b78 100644
--- a/src/tsdb/inc/tsdbFile.h
+++ b/src/tsdb/inc/tsdbFile.h
@@ -24,6 +24,13 @@ extern "C" {
 #define TSDB_FILE_DELIMITER 0xF00AFA0F
 #define TSDB_FILE_INIT_MAGIC 0xFFFFFFFF
 
+#define TSDB_FILE_INFO(tf) (&((tf)->info))
+#define TSDB_FILE_F(tf) (&((tf)->f))
+#define TSDB_FILE_FD(tf) ((tf)->fd)
+#define TSDB_FILE_FULL_NAME(f) TFILE_NAME(TSDB_FILE_F(f))
+#define TSDB_FILE_OPENED(f) (TSDB_FILE_FD(f) >= 0)
+#define TSDB_FILE_SET_CLOSED(f) (TSDB_FILE_FD(f) = -1)
+
 typedef enum {
   TSDB_FILE_HEAD = 0,
   TSDB_FILE_DATA,
@@ -33,7 +40,16 @@ typedef enum {
   TSDB_FILE_MANIFEST
 } TSDB_FILE_T;
 
-// For meta file
+#define tsdbOpenFile(T, f, flags) tsdbOpen##T(f, flags)
+#define tsdbCloseFile(T, f) tsdbClose##T(f)
+#define tsdbSeekFile(T, f, offset, whence) tsdbSeek##T(f, offset, whence)
+#define tsdbWriteFile(T, f, buf, nbytes) tsdbWrite##T(f, buf, nbytes)
+#define tsdbUpdateFileMagic(T, f, pCksum) tsdbUpdate##T##Magic(f, pCksum)
+#define tsdbTellFile(T, f) tsdbTell##T(f)
+#define tsdbEncodeFile(T, buf, f) tsdbEncode##T(buf, f)
+#define tsdbDecodeFile(T, buf, f) tsdbDecode##T(buf, f)
+
+// =============== SMFile
 typedef struct {
   int64_t  size;
   int64_t  tombSize;
@@ -48,16 +64,60 @@ typedef struct {
   int     fd;
 } SMFile;
 
-void    tsdbInitMFile(SMFile* pMFile, int vid, int ver, SMFInfo* pInfo);
-int     tsdbOpenMFile(SMFile* pMFile, int flags);
-void    tsdbCloseMFile(SMFile* pMFile);
-int64_t tsdbSeekMFile(SMFile* pMFile, int64_t offset, int whence);
-int64_t tsdbWriteMFile(SMFile* pMFile, void* buf, int64_t nbyte);
-int64_t tsdbTellMFile(SMFile *pMFile);
-int     tsdbEncodeMFile(void** buf, SMFile* pMFile);
-void*   tsdbDecodeMFile(void* buf, SMFile* pMFile);
+void  tsdbInitMFile(SMFile* pMFile, int vid, int ver, SMFInfo* pInfo);
+int   tsdbEncodeSMFile(void** buf, SMFile* pMFile);
+void* tsdbDecodeSMFile(void* buf, SMFile* pMFile);
+
+static FORCE_INLINE int tsdbOpenSMFile(SMFile* pMFile, int flags) {
+  ASSERT(!TSDB_FILE_OPENED(pMFile));
+
+  pMFile->fd = open(TSDB_FILE_FULL_NAME(pMFile), flags);
+  if (pMFile->fd < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return 0;
+}
+
+static FORCE_INLINE void tsdbCloseSMFile(SMFile* pMFile) {
+  if (TSDB_FILE_OPENED(pMFile)) {
+    close(pMFile->fd);
+    TSDB_FILE_SET_CLOSED(pMFile);
+  }
+}
+
+static FORCE_INLINE int64_t tsdbSeekSMFile(SMFile* pMFile, int64_t offset, int whence) {
+  ASSERT(TSDB_FILE_OPENED(pMFile));
+
+  int64_t loffset = taosLSeek(TSDB_FILE_FD(pMFile), offset, whence);
+  if (loffset < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return loffset;
+}
 
-// For .head/.data/.last file
+static FORCE_INLINE int64_t tsdbWriteSMFile(SMFile* pMFile, void* buf, int64_t nbyte) {
+  ASSERT(TSDB_FILE_OPENED(pMFile));
+
+  int64_t nwrite = taosWrite(pMFile->fd, buf, nbyte);
+  if (nwrite < nbyte) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return nwrite;
+}
+
+static FORCE_INLINE void tsdbUpdateSMFileMagic(SMFile* pMFile, void* pCksum) {
+  pMFile->info.magic = taosCalcChecksum(pMFile->info.magic, (uint8_t*)(pCksum), sizeof(TSCKSUM));
+}
+
+static FORCE_INLINE int64_t tsdbTellSMFile(SMFile* pMFile) { return tsdbSeekSMFile(pMFile, 0, SEEK_CUR); }
+
+// =============== SDFile
 typedef struct {
   uint32_t magic;
   uint32_t len;
@@ -74,36 +134,103 @@ typedef struct {
   int     fd;
 } SDFile;
 
-void    tsdbInitDFile(SDFile* pDFile, int vid, int fid, int ver, int level, int id, const SDFInfo* pInfo,
-                      TSDB_FILE_T ftype);
-void    tsdbInitDFileWithOld(SDFile* pDFile, SDFile* pOldDFile);
-int     tsdbOpenDFile(SDFile* pDFile, int flags);
-void    tsdbCloseDFile(SDFile* pDFile);
-int64_t tsdbSeekDFile(SDFile* pDFile, int64_t offset, int whence);
-int64_t tsdbWriteDFile(SDFile* pDFile, void* buf, int64_t nbyte);
-int64_t tsdbAppendDFile(SDFile* pDFile, void* buf, int64_t nbyte, int64_t* offset);
-int64_t tsdbTellDFile(SDFile* pDFile);
-int     tsdbEncodeDFile(void** buf, SDFile* pDFile);
-void*   tsdbDecodeDFile(void* buf, SDFile* pDFile);
-void    tsdbUpdateDFileMagic(SDFile* pDFile, void* pCksm);
+void  tsdbInitDFile(SDFile* pDFile, int vid, int fid, int ver, int level, int id, const SDFInfo* pInfo,
+                    TSDB_FILE_T ftype);
+void  tsdbInitDFileWithOld(SDFile* pDFile, SDFile* pOldDFile);
+int   tsdbEncodeSDFile(void** buf, SDFile* pDFile);
+void* tsdbDecodeSDFile(void* buf, SDFile* pDFile);
+
+static FORCE_INLINE int tsdbOpenSDFile(SDFile *pDFile, int flags) {
+  ASSERT(!TSDB_FILE_OPENED(pDFile));
+
+  pDFile->fd = open(pDFile->f.aname, flags);
+  if (pDFile->fd < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return 0;
+}
+
+static FORCE_INLINE void tsdbCloseSDFile(SDFile* pDFile) {
+  if (TSDB_FILE_OPENED(pDFile)) {
+    close(pDFile->fd);
+    TSDB_FILE_SET_CLOSED(pDFile);
+  }
+}
+
+static FORCE_INLINE int64_t tsdbSeekSDFile(SDFile *pDFile, int64_t offset, int whence) {
+  ASSERT(TSDB_FILE_OPENED(pDFile));
+
+  int64_t loffset = taosLSeek(pDFile->fd, offset, whence);
+  if (loffset < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return loffset;
+}
+
+static FORCE_INLINE int64_t tsdbWriteSDFile(SDFile* pDFile, void* buf, int64_t nbyte) {
+  ASSERT(TSDB_FILE_OPENED(pDFile));
+
+  int64_t nwrite = taosWrite(pDFile->fd, buf, nbyte);
+  if (nwrite < nbyte) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return nwrite;
+}
+
+static FORCE_INLINE int64_t tsdbAppendSDFile(SDFile* pDFile, void* buf, int64_t nbyte, int64_t* offset) {
+  ASSERT(TSDB_FILE_OPENED(pDFile));
+  int64_t nwrite;
+
+  *offset = tsdbSeekSDFile(pDFile, 0, SEEK_SET);
+  if (*offset < 0) return -1;
 
+  nwrite = tsdbWriteSDFile(pDFile, buf, nbyte);
+  if (nwrite < 0) return nwrite;
+
+  return nwrite;
+}
+
+static FORCE_INLINE int64_t tsdbReadSDFile(SDFile* pDFile, void* buf, int64_t nbyte) {
+  ASSERT(TSDB_FILE_OPENED(pDFile));
+
+  int64_t nread = taosRead(pDFile->fd, buf, nbyte);
+  if (nread < 0) {
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  }
+
+  return nread;
+}
+
+static FORCE_INLINE int64_t tsdbTellSDFile(SDFile *pDFile) { return tsdbSeekSDFile(pDFile, 0, SEEK_CUR); }
+
+static FORCE_INLINE void tsdbUpdateSDFileMagic(SDFile* pDFile, void* pCksm) {
+  pDFile->info.magic = taosCalcChecksum(pDFile->info.magic, (uint8_t*)(pCksm), sizeof(TSCKSUM));
+}
+
+// =============== SDFileSet
 typedef struct {
   int    fid;
   int    state;
   SDFile files[TSDB_FILE_MAX];
 } SDFileSet;
 
-#define TSDB_FILE_FULL_NAME(f) TFILE_NAME(&((f)->f))
+#define TSDB_FSET_FID(s) ((s)->fid)
 #define TSDB_DFILE_IN_SET(s, t) ((s)->files + (t))
 
 void tsdbInitDFileSet(SDFileSet* pSet, int vid, int fid, int ver, int level, int id);
-void tsdbInitDFileSetWithOld(SDFileSet *pSet, SDFileSet *pOldSet);
+void tsdbInitDFileSetWithOld(SDFileSet* pSet, SDFileSet* pOldSet);
 int  tsdbOpenDFileSet(SDFileSet* pSet, int flags);
 void tsdbCloseDFileSet(SDFileSet* pSet);
 int  tsdbUpdateDFileSetHeader(SDFileSet* pSet);
 int  tsdbCopyDFileSet(SDFileSet* pFromSet, SDFileSet* pToSet);
 
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/tsdb/inc/tsdbint.h b/src/tsdb/inc/tsdbint.h
index ad948bcbd01735b370252c7e6793b7bb922150c9..893169dff0712c159f7c5026639c6eeba1a3a0b8 100644
--- a/src/tsdb/inc/tsdbint.h
+++ b/src/tsdb/inc/tsdbint.h
@@ -16,15 +16,22 @@
 #ifndef _TD_TSDB_INT_H_
 #define _TD_TSDB_INT_H_
 
+// TODO: remove the include
+#include <errno.h>
+#include <inttypes.h>
+
 #include "os.h"
 #include "tlog.h"
 #include "taosdef.h"
+#include "taoserror.h"
+#include "tchecksum.h"
 #include "tskiplist.h"
 #include "tdataformat.h"
 #include "tlockfree.h"
 #include "tlist.h"
 #include "hash.h"
 #include "tarray.h"
+#include "tfs.h"
 
 #include "tsdb.h"
 
diff --git a/src/tsdb/src/tsdbFile.c b/src/tsdb/src/tsdbFile.c
index 2823a2517ee0920569875516ad0fdb9eaa7c4ec5..d18f720d3b46be244078c95bcec8beb3e2b4b580 100644
--- a/src/tsdb/src/tsdbFile.c
+++ b/src/tsdb/src/tsdbFile.c
@@ -13,72 +13,37 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "tsdbMain.h"
+#include "tsdbint.h"
 
-#define TSDB_FILE_OPENED(f) ((f)->fd >= 0)
-#define TSDB_FILE_SET_CLOSED(f) ((f)->fd = -1)
+static const char *TSDB_FNAME_SUFFIX[] = {
+    ".head",    // TSDB_FILE_HEAD
+    ".data",    // TSDB_FILE_DATA
+    ".last",    // TSDB_FILE_LAST
+    "",         // TSDB_FILE_MAX
+    "meta",     // TSDB_FILE_META
+    "manifest"  // TSDB_FILE_MANIFEST
+};
 
-// ============== Operations on SMFile
+#define tsdbOpenFile(T, f) tsdbOpenT
+
+// ============== SMFile
 void tsdbInitMFile(SMFile *pMFile, int vid, int ver, SMFInfo *pInfo) {
+  char fname[TSDB_FILENAME_LEN];
+
   TSDB_FILE_SET_CLOSED(pMFile);
+
   if (pInfo == NULL) {
     memset(&(pMFile->info), 0, sizeof(pMFile->info));
     pMFile->info.magic = TSDB_FILE_INIT_MAGIC;
   } else {
     pMFile->info = *pInfo;
   }
-  tfsInitFile(&(pMFile->f), TFS_PRIMARY_LEVEL, TFS_PRIMARY_ID, NULL /*TODO*/);
-
-  return pMFile;
-}
-
-int tsdbOpenMFile(SMFile *pMFile, int flags) {
-  ASSERT(!TSDB_FILE_OPENED(pMFile));
-
-  pMFile->fd = open(pMFile->f.aname, flags);
-  if (pMFile->fd < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return 0;
-}
-
-void tsdbCloseMFile(SMFile *pMFile) {
-  if (TSDB_FILE_OPENED(pMFile)) {
-    close(pMFile->fd);
-    TSDB_FILE_SET_CLOSED(pMFile);
-  }
-}
-
-int64_t tsdbSeekMFile(SMFile *pMFile, int64_t offset, int whence) {
-  ASSERT(TSDB_FILE_OPENED(pMFile));
-
-  int64_t loffset = taosLSeek(pMFile->fd, offset, whence);
-  if (loffset < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
 
-  return loffset;
+  tsdbGetFilename(vid, 0, ver, TSDB_FILE_META, fname);
+  tfsInitFile(TSDB_FILE_F(pMFile), TFS_PRIMARY_LEVEL, TFS_PRIMARY_ID, fname);
 }
 
-int64_t tsdbWriteMFile(SMFile *pMFile, void *buf, int64_t nbyte) {
-  ASSERT(TSDB_FILE_OPENED(pMFile));
-
-  int64_t nwrite = taosWrite(pMFile->fd, buf, nbyte);
-  if (nwrite < nbyte) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  pMFile->info.size += nbyte;
-  return nwrite;
-}
-
-int64_t tsdbTellMFile(SMFile *pMFile) { return tsdbSeekMFile(pMFile, 0, SEEK_CUR); }
-
-int tsdbEncodeMFile(void **buf, SMFile *pMFile) {
+int tsdbEncodeSMFile(void **buf, SMFile *pMFile) {
   int tlen = 0;
 
   tlen += tsdbEncodeMFInfo(buf, &(pMFile->info));
@@ -87,7 +52,7 @@ int tsdbEncodeMFile(void **buf, SMFile *pMFile) {
   return tlen;
 }
 
-void *tsdbDecodeMFile(void *buf, SMFile *pMFile) {
+void *tsdbDecodeSMFile(void *buf, SMFile *pMFile) {
   buf = tsdbDecodeMFInfo(buf, &(pMFile->info));
   buf = tfsDecodeFile(buf, &(pMFile->f));
 
@@ -118,13 +83,17 @@ static void *tsdbDecodeMFInfo(void *buf, SMFInfo *pInfo) {
 
 // ============== Operations on SDFile
 void tsdbInitDFile(SDFile *pDFile, int vid, int fid, int ver, int level, int id, const SDFInfo *pInfo, TSDB_FILE_T ftype) {
+  char fname[TSDB_FILENAME_LEN];
+
   TSDB_FILE_SET_CLOSED(pDFile);
+
   if (pInfo == NULL) {
     memset(&(pDFile->info), 0, sizeof(pDFile->info));
     pDFile->info.magic = TSDB_FILE_INIT_MAGIC;
   } else {
     pDFile->info = *pInfo;
   }
+
   tfsInitFile(&(pDFile->f), level, id, NULL /*TODO*/);
 }
 
@@ -133,78 +102,7 @@ void tsdbInitDFileWithOld(SDFile *pDFile, SDFile *pOldDFile) {
   TSDB_FILE_SET_CLOSED(pDFile);
 }
 
-int tsdbOpenDFile(SDFile *pDFile, int flags) {
-  ASSERT(!TSDB_FILE_OPENED(pDFile));
-
-  pDFile->fd = open(pDFile->f.aname, flags);
-  if (pDFile->fd < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return 0;
-}
-
-void tsdbCloseDFile(SDFile *pDFile) {
-  if (TSDB_FILE_OPENED(pDFile)) {
-    close(pDFile->fd);
-    TSDB_FILE_SET_CLOSED(pDFile);
-  }
-}
-
-int64_t tsdbSeekDFile(SDFile *pDFile, int64_t offset, int whence) {
-  ASSERT(TSDB_FILE_OPENED(pDFile));
-
-  int64_t loffset = taosLSeek(pDFile->fd, offset, whence);
-  if (loffset < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return loffset;
-}
-
-int64_t tsdbWriteDFile(SDFile *pDFile, void *buf, int64_t nbyte) {
-  ASSERT(TSDB_FILE_OPENED(pDFile));
-
-  int64_t nwrite = taosWrite(pDFile->fd, buf, nbyte);
-  if (nwrite < nbyte) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return nwrite;
-}
-
-int64_t tsdbAppendDFile(SDFile *pDFile, void *buf, int64_t nbyte, int64_t *offset) {
-  ASSERT(TSDB_FILE_OPENED(pDFile));
-  int64_t nwrite;
-
-  *offset = tsdbSeekDFile(pDFile, 0, SEEK_SET);
-  if (*offset < 0) return -1;
-
-  nwrite = tsdbWriteDFile(pDFile, buf, nbyte);
-  if (nwrite < 0) return nwrite;
-
-  pDFile->info.size += nbyte;
-  return nwrite;
-}
-
-int64_t tsdbReadDFile(SDFile *pDFile, void *buf, int64_t nbyte) {
-  ASSERT(TSDB_FILE_OPENED(pDFile));
-
-  int64_t nread = taosRead(pDFile->fd, buf, nbyte);
-  if (nread < 0) {
-    terrno = TAOS_SYSTEM_ERROR(errno);
-    return -1;
-  }
-
-  return nread;
-}
-
-int64_t tsdbTellDFile(SDFile *pDFile) { return tsdbSeekDFile(pDFile, 0, SEEK_CUR); }
-
-int tsdbEncodeDFile(void **buf, SDFile *pDFile) {
+int tsdbEncodeSDFile(void **buf, SDFile *pDFile) {
   int tlen = 0;
 
   tlen += tsdbEncodeDFInfo(buf, &(pDFile->info));
@@ -213,17 +111,13 @@ int tsdbEncodeDFile(void **buf, SDFile *pDFile) {
   return tlen;
 }
 
-void *tsdbDecodeDFile(void *buf, SDFile *pDFile) {
+void *tsdbDecodeSDFile(void *buf, SDFile *pDFile) {
   buf = tsdbDecodeDFInfo(buf, &(pDFile->info));
   buf = tfsDecodeFile(buf, &(pDFile->f));
 
   return buf;
 }
 
-void tsdbUpdateDFileMagic(SDFile *pDFile, void *pCksm) {
-  pDFile->info.magic = taosCalcChecksum(pDFile->info.magic, (uint8_t *)(pCksm), sizeof(TSCKSUM));
-}
-
 static int tsdbEncodeDFInfo(void **buf, SDFInfo *pInfo) {
   int tlen = 0;
 
@@ -291,4 +185,22 @@ int tsdbUpdateDFileSetHeader(SDFileSet *pSet) {
 
 int tsdbCopyDFileSet(SDFileSet *pFromSet, SDFileSet *pToSet) {
   // return 0;
+}
+
+static void tsdbGetFilename(int vid, int fid, int64_t ver, TSDB_FILE_T ftype, char *fname) {
+  ASSERT(ftype != TSDB_FILE_MAX);
+
+  if (ftype < TSDB_FILE_MAX) {
+    if (ver == 0) {
+      snprintf(fname, "vnode/vnode%d/tsdb/data/v%df%d.%s", vid, vid, fid, TSDB_FNAME_SUFFIX[ftype]);
+    } else {
+      snprintf(fname, "vnode/vnode%d/tsdb/data/v%df%d.%s-%012" PRId64, vid, vid, fid, TSDB_FNAME_SUFFIX[ftype], ver);
+    }
+  } else {
+    if (ver == 0) {
+      snprintf(fname, "vnode/vnode%d/tsdb/%s", vid, TSDB_FNAME_SUFFIX[ftype]);
+    } else {
+      snprintf(fname, "vnode/vnode%d/tsdb/%s-%012" PRId64, vid, TSDB_FNAME_SUFFIX[ftype], ver);
+    }
+  }
 }
\ No newline at end of file