From: =?utf-8?q?Ferenc_W=C3=A1gner?= <wferi@debian.org>
Date: Mon, 21 Nov 2016 15:25:31 +0100
Subject: Don't report error if the output file isn't syncable

---
 lib/common/xml.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/common/xml.c b/lib/common/xml.c
index 3bdc519..65237c8 100644
--- a/lib/common/xml.c
+++ b/lib/common/xml.c
@@ -3026,7 +3026,8 @@ write_xml_stream(xmlNode * xml_node, const char *filename, FILE * stream, gboole
         res = -1;
     }
 
-    if (fsync(fileno(stream)) < 0) {
+    /* Don't report error if the file does not support synchronization */
+    if (fsync(fileno(stream)) < 0 && errno != EROFS  && errno != EINVAL) {
         crm_perror(LOG_ERR, "fsync for %s failed", filename);
         res = -1;
     }