From e1375f33da2ce400e27b1bdcb6e32909dff3f5a9 Mon Sep 17 00:00:00 2001
From: Aaron Jacobs <jacobsa@google.com>
Date: Fri, 20 Mar 2015 11:21:38 +1100
Subject: [PATCH] NewFileSystem

---
 samples/flushfs/flush_fs.go      | 14 ++++++++++++--
 samples/flushfs/flush_fs_test.go | 11 ++++++++++-
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/samples/flushfs/flush_fs.go b/samples/flushfs/flush_fs.go
index ae5875c..4f48bc5 100644
--- a/samples/flushfs/flush_fs.go
+++ b/samples/flushfs/flush_fs.go
@@ -14,7 +14,10 @@
 
 package flushfs
 
-import "github.com/jacobsa/fuse"
+import (
+	"github.com/jacobsa/fuse"
+	"github.com/jacobsa/fuse/fuseutil"
+)
 
 // Create a file system containing a single file named "foo".
 //
@@ -23,4 +26,11 @@ import "github.com/jacobsa/fuse"
 // called with the current contents of the file.
 func NewFileSystem(
 	reportFlush func(string),
-	reportFsync func(string)) (fs fuse.FileSystem, err error)
+	reportFsync func(string)) (fs fuse.FileSystem, err error) {
+	fs = &flushFS{}
+	return
+}
+
+type flushFS struct {
+	fuseutil.NotImplementedFileSystem
+}
diff --git a/samples/flushfs/flush_fs_test.go b/samples/flushfs/flush_fs_test.go
index aaa5998..694669f 100644
--- a/samples/flushfs/flush_fs_test.go
+++ b/samples/flushfs/flush_fs_test.go
@@ -44,6 +44,8 @@ type FlushFSTest struct {
 func init() { RegisterTestSuite(&FlushFSTest{}) }
 
 func (t *FlushFSTest) SetUp(ti *TestInfo) {
+	var err error
+
 	// Set up a file system.
 	reportTo := func(slice *[]string) func(string) {
 		return func(s string) {
@@ -53,9 +55,16 @@ func (t *FlushFSTest) SetUp(ti *TestInfo) {
 		}
 	}
 
-	t.FileSystem = flushfs.NewFileSystem(
+	t.FileSystem, err = flushfs.NewFileSystem(
 		reportTo(&t.flushes),
 		reportTo(&t.fsyncs))
+
+	if err != nil {
+		panic(err)
+	}
+
+	// Mount it.
+	t.SampleTest.SetUp(ti)
 }
 
 ////////////////////////////////////////////////////////////////////////