145 		struct ubi_wl_entry *e1;  in wl_tree_add()  local
148 		e1 = rb_entry(parent, struct ubi_wl_entry, u.rb);  in wl_tree_add()
150 		if (e->ec < e1->ec)  in wl_tree_add()
152 		else if (e->ec > e1->ec)  in wl_tree_add()
155 			ubi_assert(e->pnum != e1->pnum);  in wl_tree_add()
156 			if (e->pnum < e1->pnum)  in wl_tree_add()
242 		struct ubi_wl_entry *e1;  in in_wl_tree()  local
244 		e1 = rb_entry(p, struct ubi_wl_entry, u.rb);  in in_wl_tree()
246 		if (e->pnum == e1->pnum) {  in in_wl_tree()
247 			ubi_assert(e == e1);  in in_wl_tree()
251 		if (e->ec < e1->ec)  in in_wl_tree()
253 		else if (e->ec > e1->ec)  in in_wl_tree()
256 			ubi_assert(e->pnum != e1->pnum);  in in_wl_tree()
257 			if (e->pnum < e1->pnum)  in in_wl_tree()
330 		struct ubi_wl_entry *e1;  in find_wl_entry()  local
332 		e1 = rb_entry(p, struct ubi_wl_entry, u.rb);  in find_wl_entry()
333 		if (e1->ec >= max)  in find_wl_entry()
338 			e = e1;  in find_wl_entry()
662 	struct ubi_wl_entry *e1, *e2;  local
706 		e1 = find_anchor_wl_entry(&ubi->used);
707 		if (!e1)
719 		self_check_in_wl_tree(ubi, e1, &ubi->used);
720 		rb_erase(&e1->u.rb, &ubi->used);
721 		dbg_wl("anchor-move PEB %d to PEB %d", e1->pnum, e2->pnum);
731 		e1 = rb_entry(rb_first(&ubi->used), struct ubi_wl_entry, u.rb);
736 		if (!(e2->ec - e1->ec >= UBI_WL_THRESHOLD)) {
738 			       e1->ec, e2->ec);
745 		self_check_in_wl_tree(ubi, e1, &ubi->used);
746 		rb_erase(&e1->u.rb, &ubi->used);
748 		       e1->pnum, e1->ec, e2->pnum, e2->ec);
752 		e1 = rb_entry(rb_first(&ubi->scrub), struct ubi_wl_entry, u.rb);
757 		self_check_in_wl_tree(ubi, e1, &ubi->scrub);
758 		rb_erase(&e1->u.rb, &ubi->scrub);
759 		dbg_wl("scrub PEB %d to PEB %d", e1->pnum, e2->pnum);
762 	ubi->move_from = e1;
777 	err = ubi_io_read_vid_hdr(ubi, e1->pnum, vidb, 0);
791 			dbg_wl("PEB %d has no VID header", e1->pnum);
801 			       e1->pnum);
811 			       e1->pnum);
817 			err, e1->pnum);
824 	err = ubi_eba_copy_leb(ubi, e1->pnum, e2->pnum, vidb);
881 			e1->pnum, vol_id, lnum, e2->pnum);
893 	err = do_sync_erase(ubi, e1, vol_id, lnum, 0);
925 		       e1->pnum, vol_id, lnum, e2->pnum, err);
928 		       e1->pnum, e2->pnum, err);
931 		prot_queue_add(ubi, e1);
933 		wl_tree_add(e1, &ubi->erroneous);
936 		wl_tree_add(e1, &ubi->scrub);
938 		wl_tree_add(e1, &ubi->used);
959 		err = do_sync_erase(ubi, e1, vol_id, lnum, 1);
971 			err, e1->pnum, e2->pnum);
974 			err, e1->pnum, vol_id, lnum, e2->pnum);
981 	wl_entry_destroy(ubi, e1);
1012 	struct ubi_wl_entry *e1;  local
1036 		e1 = rb_entry(rb_first(&ubi->used), struct ubi_wl_entry, u.rb);
1039 		if (!(e2->ec - e1->ec >= UBI_WL_THRESHOLD))