break;
from = 0;
+
+ if (lov_comp_entry(index) !=
+ lov_comp_entry(page->cp_lov_index))
+ cl_io_extent_release(sub->sub_env, &sub->sub_io);
}
/* for error case, add the page back into the qin list */
struct cl_fault_io *fio;
struct lov_io *lio;
struct lov_io_sub *sub;
+ loff_t offset;
+ int entry;
+ int stripe;
ENTRY;
fio = &ios->cis_io->u.ci_fault;
lio = cl2lov_io(env, ios);
+
+ /**
+ * LU-14502: ft_page could be an existing cl_page associated with
+ * the vmpage covering the fault index, and the page may still
+ * refer to another mirror of an old IO.
+ */
+ if (lov_is_flr(lio->lis_object)) {
+ offset = cl_offset(ios->cis_obj, fio->ft_index);
+ entry = lov_io_layout_at(lio, offset);
+ if (entry < 0) {
+ CERROR(DFID": page fault index %lu invalid component: "
+ "%d, mirror: %d\n",
+ PFID(lu_object_fid(&ios->cis_obj->co_lu)),
+ fio->ft_index, entry,
+ lio->lis_mirror_index);
+ RETURN(-EIO);
+ }
+ stripe = lov_stripe_number(lio->lis_object->lo_lsm,
+ entry, offset);
+
+ if (fio->ft_page->cp_lov_index !=
+ lov_comp_index(entry, stripe)) {
+ CDEBUG(D_INFO, DFID": page fault at index %lu, "
+ "at mirror %u comp entry %u stripe %u, "
+ "been used with comp entry %u stripe %u\n",
+ PFID(lu_object_fid(&ios->cis_obj->co_lu)),
+ fio->ft_index, lio->lis_mirror_index,
+ entry, stripe,
+ lov_comp_entry(fio->ft_page->cp_lov_index),
+ lov_comp_stripe(fio->ft_page->cp_lov_index));
+
+ fio->ft_page->cp_lov_index =
+ lov_comp_index(entry, stripe);
+ }
+ }
+
sub = lov_sub_get(env, lio, fio->ft_page->cp_lov_index);
sub->sub_io.u.ci_fault.ft_nob = fio->ft_nob;