From bfccbb2cb5f6eb25981b8693ba8acc5e885c7cce Mon Sep 17 00:00:00 2001
From: Ben Johnson <benbjohnson@yahoo.com>
Date: Fri, 23 May 2014 11:40:05 -0600
Subject: Avoid trashing page cache on Tx.Copy().

This commit change the database copy to use O_DIRECT so that the Linux page
cache is not trashed during a backup. This is only available on Linux.
---
 bolt.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'bolt.go')

diff --git a/bolt.go b/bolt.go
index c3a1bb5..a3f1eac 100644
--- a/bolt.go
+++ b/bolt.go
@@ -2,7 +2,11 @@
 
 package bolt
 
-import "os"
+import (
+	"os"
+)
+
+var odirect int
 
 func fdatasync(f *os.File) error {
 	return f.Sync()
-- 
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