smb_odir_openat
if (smb_odir_openat(sr, snode, &od, B_FALSE) != 0) {
status = smb_odir_openat(sr, fnode, &od, B_FALSE);
status = smb_odir_openat(sr, fnode, &od, B_TRUE);
uint32_t smb_odir_openat(smb_request_t *, smb_node_t *, smb_odir_t **,