* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
{
struct lov_page *lp = cl2lov_page(slice);
- return (*printer)(env, cookie, LUSTRE_LOV_NAME"-page@%p, raid0\n", lp);
+ return (*printer)(env, cookie,
+ 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 = {
ENTRY;
offset = cl_offset(obj, index);
- entry = lov_lsm_entry(loo->lo_lsm, offset);
+ entry = lov_io_layout_at(lio, offset);
if (entry < 0 || !lsm_entry_inited(loo->lo_lsm, entry)) {
/* non-existing layout component */
lov_page_init_empty(env, obj, page, index);
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 */