[PATCH v2 14/20] insert: fsync after writing tmp file

Peter Wang novalazy at gmail.com
Sat Nov 24 17:16:40 PST 2012


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 b7aef95..f09c579 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -329,6 +329,10 @@ insert_message (void *ctx, notmuch_database_t *notmuch, int fdin,
 	return FALSE;
     }
     ret = copy_fd_data (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



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