/*
* grow the parent of a device
*/
int
meta_concat_parent(
mdsetname_t *sp,
mdname_t *childnp,
md_error_t *ep
)
{
md_common_t *mdp;
mdname_t *parentnp;
md_unit_t *mup;
/* should have a set */
assert(sp != NULL);
assert(sp->setno == MD_MIN2SET(meta_getminor(childnp->dev)));
/* get parent */
if ((mdp = meta_get_unit(sp, childnp, ep)) == NULL)
return (-1);
if (! MD_HAS_PARENT(mdp->parent))
return (0);
if (mdp->parent == MD_MULTI_PARENT)
return (0);
/* single parent */
if ((parentnp = metamnumname(&sp, mdp->parent, 0, ep)) == NULL)
return (-1);
/* don't grow non-metadevices or soft partitions */
if (! metaismeta(parentnp) || meta_sp_issp(sp, parentnp, ep) == 0)
return (0);
if ((mup = meta_get_mdunit(sp, childnp, ep)) == NULL)
return (-1);
/* grow parent */
if (meta_concat_generic(sp, parentnp, mup->c.un_revision, ep) != 0)
return (-1);
/* recursively check for parents of parents */
return (meta_concat_parent(sp, parentnp, ep));
}
int
get_toplevel_mds(mdnamelist_t **lpp, mdnamelist_t **top_pp, boolean_e verbose)
{
mdnamelist_t *p, *prevp, *toplp;
int ntopmd, i;
md_common_t *mdp;
md_error_t e = mdnullerror;
i = ntopmd = 0;
prevp = p = *lpp;
toplp = NULL;
while (p) {
if ((mdp = meta_get_unit(sp, p->namep, &e)) == NULL) {
if (verbose == True)
monitord_print(6, gettext(
"......error on (%d)%s\n"), i,
p->namep->devicesname);
prevp = p;
p = p->next;
continue;
}
if (mdp->parent == MD_NO_PARENT) {
/* increment the top level md count. */
ntopmd++;
add_to_list(&p, &prevp, &toplp);
} else {
prevp = p;
p = p->next;
}
i++;
}
*lpp = NULL;
*top_pp = toplp;
return (ntopmd);
}
