fix: primary disk for taosd -u

src/dnode/inc/dnodeInt.h

@@ -24,6 +24,7 @@ extern "C" {
 #include "tlog.h"
 #include "trpc.h"
 #include "tglobal.h"
+#include "tfs.h"
 #include "dnode.h"
 #include "vnode.h"
 

src/dnode/src/dnodeSystem.c

@@ -120,7 +120,15 @@ int32_t main(int32_t argc, char *argv[]) {
 
   if (0 != dump_cluster) {
     taosInitGlobalCfg();
-    taosReadGlobalCfg();
+    if (!taosReadGlobalCfg()) {
+      printf("TDengine read global config failed\n");
+      exit(EXIT_FAILURE);
+    }
+    if (tfsInit(tsDiskCfg, tsDiskCfgNum) < 0) {
+      printf("failed to init TFS since %s", tstrerror(terrno));
+      return -1;
+    }
+    strncpy(tsDataDir, TFS_PRIMARY_PATH(), TSDB_FILENAME_LEN);
     grantParseParameter("-u");
     exit(EXIT_SUCCESS);
   }