From 643cc685e09dd1dc461f2689359de1872f09523c Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Tue, 4 Jul 2023 15:01:21 +0800
Subject: [PATCH] enh: tfsRename in the reverse order of levels with tiered
 storages

---
 source/libs/tfs/src/tfs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/libs/tfs/src/tfs.c b/source/libs/tfs/src/tfs.c
index bedd14353f..c751573fbc 100644
--- a/source/libs/tfs/src/tfs.c
+++ b/source/libs/tfs/src/tfs.c
@@ -315,9 +315,9 @@ int32_t tfsRename(STfs *pTfs, const char *orname, const char *nrname) {
   char oaname[TMPNAME_LEN] = "\0";
   char naname[TMPNAME_LEN] = "\0";
 
-  for (int32_t level = 0; level < pTfs->nlevel; level++) {
+  for (int32_t level = pTfs->nlevel - 1; level >= 0; level--) {
     STfsTier *pTier = TFS_TIER_AT(pTfs, level);
-    for (int32_t id = 0; id < pTier->ndisk; id++) {
+    for (int32_t id = pTier->ndisk - 1; id >= 0; id--) {
       STfsDisk *pDisk = pTier->disks[id];
       snprintf(oaname, TMPNAME_LEN, "%s%s%s", pDisk->path, TD_DIRSEP, orname);
       snprintf(naname, TMPNAME_LEN, "%s%s%s", pDisk->path, TD_DIRSEP, nrname);