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.

1 files changed, 10 insertions, 0 deletions

diff --git a/sync_std.go b/sync_std.go
new file mode 100644
index 0000000..d858b23
--- /dev/null
+++ b/sync_std.go
@@ -0,0 +1,10 @@
+// +build !linux
+
+package bolt
+
+import "os"
+
+// Fall back to syncing metadata too.
+func fdatasync(f *os.File) error {
+	return f.Sync()
+}