--- src/backend/storage/file/fd.c	2025-05-06 04:28:35.000000000 +0800
+++ src/backend/storage/file/fd.c	2025-07-30 07:02:44.000000000 +0800
@@ -485,7 +485,11 @@
 		return 0;
 
 retry:
+#ifdef __APPLE__
+	rc = fcntl(fd, F_FULLFSYNC);
+#else
 	rc = fdatasync(fd);
+#endif
 
 	if (rc == -1 && errno == EINTR)
 		goto retry;

--- src/bin/pg_test_fsync/pg_test_fsync.c	2025-05-06 04:28:35.000000000 +0800
+++ src/bin/pg_test_fsync/pg_test_fsync.c	2025-07-30 07:17:39.000000000 +0800
@@ -348,7 +348,11 @@
 						  XLOG_BLCKSZ,
 						  writes * XLOG_BLCKSZ) != XLOG_BLCKSZ)
 				die("write failed");
+#ifdef __APPLE__
+		fcntl(tmpfile, F_FULLFSYNC);
+#else
 		fdatasync(tmpfile);
+#endif
 	}
 	STOP_TIMER;
 	close(tmpfile);