v2api: Getattr: use file handle if passed

internal/fusefrontend/node.go

@@ -87,6 +87,11 @@ func (n *Node) Lookup(ctx context.Context, name string, out *fuse.EntryOut) (ch
 //
 // GetAttr is symlink-safe through use of openBackingDir() and Fstatat().
 func (n *Node) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) (errno syscall.Errno) {
+	// If the kernel gives us a file handle, use it.
+	if f != nil {
+		return f.(fs.FileGetattrer).Getattr(ctx, out)
+	}
+
 	dirfd, cName, errno := n.prepareAtSyscall("")
 	if errno != 0 {
 		return

tests/matrix/matrix_test.go

@@ -72,6 +72,7 @@ func TestMain(m *testing.M) {
 		}
 		test_helpers.ResetTmpDir(!testcase.plaintextnames)
 		opts := []string{"-zerokey"}
+		//opts = append(opts, "-fusedebug")
 		opts = append(opts, fmt.Sprintf("-openssl=%v", testcase.openssl))
 		opts = append(opts, fmt.Sprintf("-plaintextnames=%v", testcase.plaintextnames))
 		opts = append(opts, fmt.Sprintf("-aessiv=%v", testcase.aessiv))