struct lov_page *lp = cl2lov_page(slice);
return (*printer)(env, cookie,
- LUSTRE_LOV_NAME"-page@%p, comp index: %x\n",
- lp, lp->lps_index);
+ LUSTRE_LOV_NAME"-page@%p, comp index: %x, gen: %u\n",
+ lp, lp->lps_index, lp->lps_layout_gen);
}
static const struct cl_page_operations lov_comp_page_ops = {
LASSERT(rc == 0);
lpg->lps_index = lov_comp_index(entry, stripe);
+ lpg->lps_layout_gen = loo->lo_lsm->lsm_layout_gen;
cl_page_slice_add(page, &lpg->lps_cl, obj, index, &lov_comp_page_ops);
sub = lov_sub_get(env, lio, lpg->lps_index);
void *addr;
ENTRY;
+ lpg->lps_index = ~0;
cl_page_slice_add(page, &lpg->lps_cl, obj, index, &lov_empty_page_ops);
addr = kmap(page->cp_vmpage);
memset(addr, 0, cl_page_size(obj));
RETURN(0);
}
+bool lov_page_is_empty(const struct cl_page *page)
+{
+ const struct cl_page_slice *slice = cl_page_at(page, &lov_device_type);
+
+ LASSERT(slice != NULL);
+ return slice->cpl_ops == &lov_empty_page_ops;
+}
+
/** @} lov */