1 files changed, 27 insertions, 0 deletions
diff --git a/src/fe_utils/option_utils.c b/src/fe_utils/option_utils.c
index 763c991015b..d2a3adeb4ba 100644
--- a/src/fe_utils/option_utils.c
+++ b/src/fe_utils/option_utils.c
@@ -82,3 +82,30 @@ option_parse_int(const char *optarg, const char *optname,
 		*result = val;
 	return true;
 }
+
+/*
+ * Provide strictly harmonized handling of the --sync-method option.
+ */
+bool
+parse_sync_method(const char *optarg, DataDirSyncMethod *sync_method)
+{
+	if (strcmp(optarg, "fsync") == 0)
+		*sync_method = DATA_DIR_SYNC_METHOD_FSYNC;
+	else if (strcmp(optarg, "syncfs") == 0)
+	{
+#ifdef HAVE_SYNCFS
+		*sync_method = DATA_DIR_SYNC_METHOD_SYNCFS;
+#else
+		pg_log_error("this build does not support sync method \"%s\"",
+					 "syncfs");
+		return false;
+#endif
+	}
+	else
+	{
+		pg_log_error("unrecognized sync method: %s", optarg);
+		return false;
+	}
+
+	return true;
+}