From e4b1e5c3c80ce9faf3a5f13942300a03093fc319 Mon Sep 17 00:00:00 2001
From: mtolman <5067918+mtolman@users.noreply.github.com>
Date: Tue, 17 Apr 2018 13:26:48 -0600
Subject: [PATCH] Fix for issue #635

Fix for the following issue on master: https://github.com/chrislusf/seaweedfs/issues/635
---
 weed/storage/volume.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/weed/storage/volume.go b/weed/storage/volume.go
index f168ad155..a58a74340 100644
--- a/weed/storage/volume.go
+++ b/weed/storage/volume.go
@@ -61,7 +61,7 @@ func (v *Volume) Size() int64 {
 		return stat.Size()
 	}
 	glog.V(0).Infof("Failed to read file size %s %v", v.dataFile.Name(), e)
-	return -1
+	return 0 // -1 causes integer overflow and the volume to become unwritable.
 }
 
 // Close cleanly shuts down this volume