diff --git a/source/libs/tdb/src/db/tdbPCache.c b/source/libs/tdb/src/db/tdbPCache.c
index ec6d357c8c..4691a46bb8 100644
--- a/source/libs/tdb/src/db/tdbPCache.c
+++ b/source/libs/tdb/src/db/tdbPCache.c
@@ -42,7 +42,7 @@ static void    tdbPCachePinPage(SPgHdr *pPage);
 static void    tdbPCacheRemovePageFromHash(SPgHdr *pPage);
 static void    tdbPCacheAddPageToHash(SPgHdr *pPage);
 
-int tdbOpenPCache(int pageSize, int cacheSize, int extraSize, SPCache **ppCache) {
+int tdbPCacheOpen(int pageSize, int cacheSize, int extraSize, SPCache **ppCache) {
   SPCache *pCache;
   void *   pPtr;
   SPgHdr * pPgHdr;
@@ -74,7 +74,7 @@ int tdbOpenPCache(int pageSize, int cacheSize, int extraSize, SPCache **ppCache)
   return 0;
 }
 
-int tdbClosePCache(SPCache *pCache) {
+int tdbPCacheClose(SPCache *pCache) {
   /* TODO */
   return 0;
 }
diff --git a/source/libs/tdb/src/inc/tdbPCache.h b/source/libs/tdb/src/inc/tdbPCache.h
index 234d6f7185..4474a603a4 100644
--- a/source/libs/tdb/src/inc/tdbPCache.h
+++ b/source/libs/tdb/src/inc/tdbPCache.h
@@ -36,7 +36,7 @@ struct SPgHdr {
   SPgHdr * pLruPrev;
 };
 
-int     tdbOpenPCache(int pageSize, int cacheSize, int extraSize, SPCache **ppCache);
+int     tdbPCacheOpen(int pageSize, int cacheSize, int extraSize, SPCache **ppCache);
 int     tdbPCacheClose(SPCache *pCache);
 SPgHdr *tdbPCacheFetch(SPCache *pCache, const SPgid *pPgid, bool alcNewPage);
 void    tdbFetchFinish(SPCache *pCache, SPgHdr *pPage);
diff --git a/source/libs/tdb/src/inc/tdbPFile.h b/source/libs/tdb/src/inc/tdbPFile.h
index 0c2378bfbe..74cb2b7506 100644
--- a/source/libs/tdb/src/inc/tdbPFile.h
+++ b/source/libs/tdb/src/inc/tdbPFile.h
@@ -20,6 +20,8 @@
 extern "C" {
 #endif
 
+typedef struct SPFile SPFile;
+
 // typedef struct __attribute__((__packed__)) {
 //   char    hdrInfo[16];  // info string
 //   pgsz_t  szPage;       // page size of current file