dv_fid
struct dv_fid *dv_fid;
if (fidp->fid_len < (sizeof (struct dv_fid) - sizeof (ushort_t))) {
fidp->fid_len = sizeof (struct dv_fid) - sizeof (ushort_t);
dv_fid = (struct dv_fid *)fidp;
bzero(dv_fid, sizeof (struct dv_fid));
dv_fid->dvfid_len = (int)sizeof (struct dv_fid) - sizeof (ushort_t);
dv_fid->dvfid_ino = dv->dv_ino;