Removed special handling of statfs.

connection.go

@@ -405,14 +405,6 @@ func (c *Connection) ReadOp() (ctx context.Context, op interface{}, err error) {
 		ctx = c.beginOp(inMsg.Header().Opcode, inMsg.Header().Unique)
 		ctx = context.WithValue(ctx, contextKey, opState{inMsg, outMsg, op})
 
-		// Special case: responding to statfs is required to make mounting work on
-		// OS X. We don't currently expose the capability for the file system to
-		// intercept this.
-		if _, ok := op.(*statFSOp); ok {
-			c.Reply(ctx, nil)
-			continue
-		}
-
 		// Return the op to the user.
 		return
 	}

conversions.go

@@ -371,7 +371,7 @@ func convertInMessage(
 		}
 
 	case fusekernel.OpStatfs:
-		o = &statFSOp{}
+		o = &fuseops.StatFSOp{}
 
 	case fusekernel.OpInterrupt:
 		type input fusekernel.InterruptIn
@@ -557,8 +557,14 @@ func (c *Connection) kernelResponseForOp(
 	case *fuseops.ReadSymlinkOp:
 		m.AppendString(o.Target)
 
-	case *statFSOp:
-		m.Grow(unsafe.Sizeof(fusekernel.StatfsOut{}))
+	case *fuseops.StatFSOp:
+		out := (*fusekernel.StatfsOut)(m.Grow(unsafe.Sizeof(fusekernel.StatfsOut{})))
+		out.St.Blocks = o.Blocks
+		out.St.Bfree = o.BlocksFree
+		out.St.Bavail = o.BlocksAvailable
+		out.St.Files = o.Inodes
+		out.St.Ffree = o.InodesFree
+		out.St.Bsize = o.BlockSize
 
 	case *initOp:
 		out := (*fusekernel.InitOut)(m.Grow(unsafe.Sizeof(fusekernel.InitOut{})))

ops.go

@@ -26,10 +26,6 @@ type unknownOp struct {
 	Inode  fuseops.InodeID
 }
 
-// Required in order to mount on OS X.
-type statFSOp struct {
-}
-
 // Causes us to cancel the associated context.
 type interruptOp struct {
 	FuseID uint64