From fa266635c6e6ad4ee9e82951c24e57c02a213e0b Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Tue, 17 Mar 2009 08:41:43 +0100
Subject: fsync() temp file before rename()

---
 src/ImageMetaData.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ImageMetaData.cxx b/src/ImageMetaData.cxx
index cfa699e..f22a641 100644
--- a/src/ImageMetaData.cxx
+++ b/src/ImageMetaData.cxx
@@ -266,7 +266,8 @@ ImageMetaData::save_image_jpgcom(char *in_img, char *out_img) {
 		err++;
 	}
 
-    close(tmp_fd);
+	fsync(tmp_fd); /* make sure data is on disk before replacing orig file */
+	close(tmp_fd);
 
 	if (!err) {
 		if (rename(tmpname, out_img) != 0) {
-- 
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