From 755b51a42c7b0dd570b80d9893ae26d94d71e39c Mon Sep 17 00:00:00 2001
From: Binbin <binloveplay1314@qq.com>
Date: Thu, 23 Jun 2022 23:40:20 +0800
Subject: [PATCH] When dirCreateIfMissing or openNewIncrAofForAppend fail, set
 aof_lastbgrewrite_status to err (#10775)

It will be displayed in the `aof_last_bgrewrite_status`
field of the INFO command.
---
 src/aof.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/aof.c b/src/aof.c
index 55d9990bc..c7bde0ac5 100644
--- a/src/aof.c
+++ b/src/aof.c
@@ -2408,6 +2408,7 @@ int rewriteAppendOnlyFileBackground(void) {
     if (dirCreateIfMissing(server.aof_dirname) == -1) {
         serverLog(LL_WARNING, "Can't open or create append-only dir %s: %s",
             server.aof_dirname, strerror(errno));
+        server.aof_lastbgrewrite_status = C_ERR;
         return C_ERR;
     }
 
@@ -2415,7 +2416,10 @@ int rewriteAppendOnlyFileBackground(void) {
      * feedAppendOnlyFile() to issue a SELECT command. */
     server.aof_selected_db = -1;
     flushAppendOnlyFile(1);
-    if (openNewIncrAofForAppend() != C_OK) return C_ERR;
+    if (openNewIncrAofForAppend() != C_OK) {
+        server.aof_lastbgrewrite_status = C_ERR;
+        return C_ERR;
+    }
     server.stat_aof_rewrites++;
     if ((childpid = redisFork(CHILD_TYPE_AOF)) == 0) {
         char tmpfile[256];