khelp_get_osd
e_t = (struct ertt *)khelp_get_osd(&CCV(ccv, t_osd), ertt_id);
e_t = khelp_get_osd(&CCV(ccv, t_osd), ertt_id);
e_t = khelp_get_osd(&CCV(ccv, t_osd), ertt_id);
e_t = khelp_get_osd(&CCV(ccv, t_osd), ertt_id);
e_t = khelp_get_osd(&CCV(ccv, t_osd), ertt_id);
void * khelp_get_osd(struct osd *hosd, int32_t id);