ddf_vd_entry
struct ddf_vd_entry *vde;
sizeof(struct ddf_vd_entry));
sizeof(struct ddf_vd_entry) *
struct ddf_vd_entry *vde;
meta->vde = malloc(sizeof(struct ddf_vd_entry), M_MD_DDF, M_WAITOK);
memset(meta->vde, 0xff, sizeof(struct ddf_vd_entry));
struct ddf_vd_entry *vde;
dst->vde = malloc(sizeof(struct ddf_vd_entry), M_MD_DDF, M_WAITOK);
memcpy(dst->vde, vde, sizeof(struct ddf_vd_entry));
struct ddf_vd_entry entry[0];