upper_layer 436 fs/overlayfs/export.c struct ovl_layer upper_layer = { .mnt = ofs->upper_mnt }; upper_layer 478 fs/overlayfs/export.c this = ovl_lookup_real(sb, upper, &upper_layer); upper_layer 658 fs/overlayfs/export.c struct ovl_layer upper_layer = { .mnt = ofs->upper_mnt }; upper_layer 659 fs/overlayfs/export.c struct ovl_layer *layer = upper ? &upper_layer : lowerpath->layer;