From 4f6e4f73f3096777e6b48f69ebedae76c30a15d4 Mon Sep 17 00:00:00 2001
From: Pavel Trukhanov <pavel.trukhanov@gmail.com>
Date: Wed, 28 Jan 2015 16:25:25 +0300
Subject: [PATCH] disk_usage as in psutil

---
 disk/disk_unix.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/disk/disk_unix.go b/disk/disk_unix.go
index bc53d40..af4901d 100644
--- a/disk/disk_unix.go
+++ b/disk/disk_unix.go
@@ -16,14 +16,14 @@ func DiskUsage(path string) (*DiskUsageStat, error) {
 	ret := &DiskUsageStat{
 		Path:        path,
 		Total:       (uint64(stat.Blocks) * uint64(bsize)),
-		Free:        (uint64(stat.Bfree) * uint64(bsize)),
+		Free:        (uint64(stat.Bavail) * uint64(bsize)),
 		InodesTotal: (uint64(stat.Files)),
 		InodesFree:  (uint64(stat.Ffree)),
 	}
 
 	ret.InodesUsed = (ret.InodesTotal - ret.InodesFree)
 	ret.InodesUsedPercent = (float64(ret.InodesUsed) / float64(ret.InodesTotal)) * 100.0
-	ret.Used = (ret.Total - ret.Free)
+	ret.Used = (uint64(stat.Blocks) - uint64(stat.Bfree)) * uint64(bsize)
 	ret.UsedPercent = (float64(ret.Used) / float64(ret.Total)) * 100.0
 
 	return ret, nil