Added a mode to inode attributes.

file_system.go

@@ -4,6 +4,7 @@
 package fuse
 
 import (
+	"os"
 	"time"
 
 	bazilfuse "bazil.org/fuse"
@@ -89,8 +90,8 @@ const RootInodeID InodeID = InodeID(bazilfuse.RootID)
 // Attributes for a file or directory inode. Corresponds to struct inode (cf.
 // http://goo.gl/tvYyQt).
 type InodeAttributes struct {
-	// The size of the file in bytes.
 	Size uint64
+	Mode os.FileMode
 }
 
 // A generation number for an inode. Irrelevant for file systems that won't be

samples/hello_fs.go

@@ -4,6 +4,8 @@
 package samples
 
 import (
+	"os"
+
 	"github.com/jacobsa/fuse"
 	"github.com/jacobsa/fuse/fuseutil"
 	"github.com/jacobsa/gcsfuse/timeutil"
@@ -45,8 +47,10 @@ type inodeInfo struct {
 var gInodeInfo = map[fuse.InodeID]inodeInfo{
 	// root
 	rootInode: inodeInfo{
-		attributes: fuse.InodeAttributes{},
-		dir:        true,
+		attributes: fuse.InodeAttributes{
+			Mode: 0700 | os.ModeDir,
+		},
+		dir: true,
 		children: []fuseutil.Dirent{
 			fuseutil.Dirent{
 				Offset: 1,

server.go

@@ -181,5 +181,6 @@ func convertAttributes(inode InodeID, attr InodeAttributes) bazilfuse.Attr {
 	return bazilfuse.Attr{
 		Inode: uint64(inode),
 		Size:  attr.Size,
+		Mode:  attr.Mode,
 	}
 }