[PATCH v3 13/20] insert: fsync after writing tmp file

[Peter Wang]

Flush the tmp file to disk after writing for durability.
---
 notmuch-insert.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/notmuch-insert.c b/notmuch-insert.c
index 85acaea..60855c1 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -305,6 +305,10 @@ insert_message (void *ctx, notmuch_database_t *notmuch, int fdin,
 	return FALSE;
     }
     ret = copy_stdin (fdin, fdout);
+    if (ret && fsync (fdout) != 0) {
+	fprintf (stderr, "Error: fsync failed: %s\n", strerror (errno));
+	ret = FALSE;
+    }
     close (fdout);
     if (ret) {
 	ret = maildir_move_tmp_to_new (tmppath, newpath);
-- 
1.7.12.1