From bba162c55b864aaf23567835835326848f026787 Mon Sep 17 00:00:00 2001
From: Simon Fraser <simonfr@gmail.com>
Date: Mon, 10 Aug 2015 20:43:15 +0100
Subject: [PATCH] to filter by filesystem type, we need to pass that up the
 chain

---
 plugins/system/disk.go         | 4 ++--
 plugins/system/ps.go           | 1 +
 plugins/system/ps/disk/disk.go | 1 +
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/system/disk.go b/plugins/system/disk.go
index 1c5bdaef6..74348bdbe 100644
--- a/plugins/system/disk.go
+++ b/plugins/system/disk.go
@@ -24,9 +24,9 @@ func (s *DiskStats) Gather(acc plugins.Accumulator) error {
 
 	for _, du := range disks {
 		tags := map[string]string{
-			"path": du.Path,
+			"path":   du.Path,
+			"fstype": du.Fstype,
 		}
-
 		acc.Add("total", du.Total, tags)
 		acc.Add("free", du.Free, tags)
 		acc.Add("used", du.Total-du.Free, tags)
diff --git a/plugins/system/ps.go b/plugins/system/ps.go
index f4e445dd2..760f799ca 100644
--- a/plugins/system/ps.go
+++ b/plugins/system/ps.go
@@ -63,6 +63,7 @@ func (s *systemPS) DiskUsage() ([]*disk.DiskUsageStat, error) {
 
 	for _, p := range parts {
 		du, err := disk.DiskUsage(p.Mountpoint)
+		du.Fstype = p.Fstype
 		if err != nil {
 			return nil, err
 		}
diff --git a/plugins/system/ps/disk/disk.go b/plugins/system/ps/disk/disk.go
index fc2f79694..0aa26cd1b 100644
--- a/plugins/system/ps/disk/disk.go
+++ b/plugins/system/ps/disk/disk.go
@@ -6,6 +6,7 @@ import (
 
 type DiskUsageStat struct {
 	Path              string  `json:"path"`
+	Fstype            string  `json:"fstype"`
 	Total             uint64  `json:"total"`
 	Free              uint64  `json:"free"`
 	Used              uint64  `json:"used"`