From cded2fc0258340b6586c92fa73d80bde268cf40f Mon Sep 17 00:00:00 2001
From: drh <>
Date: Fri, 21 Apr 2023 13:53:13 -0500
Subject: [PATCH] Make use of F_BARRIERFSYNC as an alternative to F_FULLFSYNC
 when it is available.

FossilOrigin-Name: 3c517ba5dc386c7782c90536ce67562d7d6d2f155203a09b57b1f8f655c1b958
---
 src/os_unix.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/os_unix.c b/src/os_unix.c
index e065d717..683e6c69 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3674,7 +3674,14 @@ static int full_fsync(int fd, int fullSync, int dataOnly){
   }
 #elif HAVE_FULLFSYNC
   if( fullSync ){
+#ifdef F_BARRIERFSYNC
     rc = osFcntl(fd, F_BARRIERFSYNC, 0);
+    if( rc && errno==ENOTSUP ){
+      rc = osFcntl(fd, F_FULLFSYNC, 0);
+    }
+#else
+    rc = osFcntl(fd, F_FULLFSYNC, 0);
+#endif
   }else{
     rc = 1;
   }