From 5ce378b046e500eadd1fb53e1b1488488488ce1f Mon Sep 17 00:00:00 2001
From: Tommi Virtanen <tv@eagain.net>
Date: Sat, 22 Mar 2014 20:45:53 -0700
Subject: Call fdatasync/fsync after writing out non-meta pages

This avoids a case where writes can be reordered so meta page is
written before a page it refers to, potentially causing a corrupt
database after a power loss or kernel crash.
---
 tx.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'tx.go')

diff --git a/tx.go b/tx.go
index 5b2b14d..181444e 100644
--- a/tx.go
+++ b/tx.go
@@ -329,6 +329,9 @@ func (t *Tx) write() error {
 			return err
 		}
 	}
+	if err := fdatasync(t.db.file); err != nil {
+		return err
+	}
 
 	// Clear out page cache.
 	t.pages = make(map[pgid]*page)
-- 
cgit v1.2.3