GLF_DEFER_DELETE
if (test_bit(GLF_DEFER_DELETE, gflags))
set_bit(GLF_DEFER_DELETE, &gl->gl_flags);
clear_bit(GLF_DEFER_DELETE, &gl->gl_flags);
test_bit(GLF_DEFER_DELETE, &ip->i_iopen_gh.gh_gl->gl_flags))
{(1UL << GLF_DEFER_DELETE), "s" }, \