static int detach_metadata_devices(struct lv_segment *seg, struct dm_list *list)
{
uint32_t s;
uint32_t num_meta_lvs;
struct cmd_context *cmd = seg->lv->vg->cmd;
struct lv_list *lvl;
num_meta_lvs = seg_is_raid(seg) ? seg->area_count : !!seg->log_lv;
if (!num_meta_lvs)
return_0;
if (!(lvl = dm_pool_alloc(cmd->mem, sizeof(*lvl) * num_meta_lvs)))
return_0;
if (seg_is_raid(seg)) {
for (s = 0; s < seg->area_count; s++) {
if (!seg_metalv(seg, s))
return_0; /* Trap this future possibility */
lvl[s].lv = seg_metalv(seg, s);
lv_set_visible(lvl[s].lv);
dm_list_add(list, &lvl[s].list);
}
return 1;
}
lvl[0].lv = detach_mirror_log(seg);
dm_list_add(list, &lvl[0].list);
return 1;
}
static void _raid_display(const struct lv_segment *seg)
{
unsigned s;
for (s = 0; s < seg->area_count; ++s) {
log_print(" Raid Data LV%2d", s);
display_stripe(seg, s, " ");
}
if (seg->meta_areas)
for (s = 0; s < seg->area_count; ++s)
if (seg_metalv(seg, s))
log_print(" Raid Metadata LV%2d\t%s", s, seg_metalv(seg, s)->name);
log_print(" ");
}