refactor: liteos-m vfs refactory

close #I4RV26

Change-Id: I76d5d5128d37efa5fbcde6d105c78f4d7be607de
Signed-off-by: Guangyao Ma <guangyao.ma@outlook.com>

kernel/src/los_init.c

@@ -30,6 +30,7 @@
  */
 
 #include "stdarg.h"
+#include "vfs_operations.h"
 #include "los_arch.h"
 #include "los_config.h"
 #include "los_debug.h"
@@ -215,6 +216,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 LOS_KernelInit(VOID)
     }
 #endif
 
+#if (LOSCFG_FS_VFS == 1)
+    ret = OsVfsInit();
+    if (ret != LOS_OK) {
+        PRINT_ERR("OsVfsInit error\n");
+        return ret;
+    }
+#endif
+
     ret = OsIdleTaskCreate();
     if (ret != LOS_OK) {
         return ret;