Added attributes for hello.

samples/hello_fs.go

@@ -48,7 +48,9 @@ var gInodeInfo = map[fuse.InodeID]inodeInfo{
 	// root
 	rootInode: inodeInfo{
 		attributes: fuse.InodeAttributes{
-			Mode: 0700 | os.ModeDir,
+			// TODO(jacobsa): Why do we get premission denied errors when this is
+			// 0500?
+			Mode: 0555 | os.ModeDir,
 		},
 		dir: true,
 		children: []fuseutil.Dirent{
@@ -66,6 +68,13 @@ var gInodeInfo = map[fuse.InodeID]inodeInfo{
 			},
 		},
 	},
+
+	// hello
+	helloInode: inodeInfo{
+		attributes: fuse.InodeAttributes{
+			Mode: 0400,
+		},
+	},
 }
 
 func (fs *HelloFS) GetInodeAttributes(