158 		struct ubi_wl_entry *e1;  in wl_tree_add()  local
161 		e1 = rb_entry(parent, struct ubi_wl_entry, u.rb);  in wl_tree_add()
163 		if (e->ec < e1->ec)  in wl_tree_add()
165 		else if (e->ec > e1->ec)  in wl_tree_add()
168 			ubi_assert(e->pnum != e1->pnum);  in wl_tree_add()
169 			if (e->pnum < e1->pnum)  in wl_tree_add()
255 		struct ubi_wl_entry *e1;  in in_wl_tree()  local
257 		e1 = rb_entry(p, struct ubi_wl_entry, u.rb);  in in_wl_tree()
259 		if (e->pnum == e1->pnum) {  in in_wl_tree()
260 			ubi_assert(e == e1);  in in_wl_tree()
264 		if (e->ec < e1->ec)  in in_wl_tree()
266 		else if (e->ec > e1->ec)  in in_wl_tree()
269 			ubi_assert(e->pnum != e1->pnum);  in in_wl_tree()
270 			if (e->pnum < e1->pnum)  in in_wl_tree()
322 		struct ubi_wl_entry *e1;  in find_wl_entry()  local
324 		e1 = rb_entry(p, struct ubi_wl_entry, u.rb);  in find_wl_entry()
325 		if (e1->ec >= max)  in find_wl_entry()
330 			e = e1;  in find_wl_entry()
650 	struct ubi_wl_entry *e1, *e2;  local
689 		e1 = find_anchor_wl_entry(&ubi->used);
690 		if (!e1)
696 		self_check_in_wl_tree(ubi, e1, &ubi->used);
697 		rb_erase(&e1->u.rb, &ubi->used);
698 		dbg_wl("anchor-move PEB %d to PEB %d", e1->pnum, e2->pnum);
708 		e1 = rb_entry(rb_first(&ubi->used), struct ubi_wl_entry, u.rb);
713 		if (!(e2->ec - e1->ec >= UBI_WL_THRESHOLD)) {
715 			       e1->ec, e2->ec);
722 		self_check_in_wl_tree(ubi, e1, &ubi->used);
723 		rb_erase(&e1->u.rb, &ubi->used);
725 		       e1->pnum, e1->ec, e2->pnum, e2->ec);
729 		e1 = rb_entry(rb_first(&ubi->scrub), struct ubi_wl_entry, u.rb);
734 		self_check_in_wl_tree(ubi, e1, &ubi->scrub);
735 		rb_erase(&e1->u.rb, &ubi->scrub);
736 		dbg_wl("scrub PEB %d to PEB %d", e1->pnum, e2->pnum);
739 	ubi->move_from = e1;
754 	err = ubi_io_read_vid_hdr(ubi, e1->pnum, vid_hdr, 0);
767 			dbg_wl("PEB %d has no VID header", e1->pnum);
777 			       e1->pnum);
783 			err, e1->pnum);
790 	err = ubi_eba_copy_leb(ubi, e1->pnum, e2->pnum, vid_hdr);
843 			e1->pnum, vol_id, lnum, e2->pnum);
855 	err = do_sync_erase(ubi, e1, vol_id, lnum, 0);
886 		       e1->pnum, vol_id, lnum, e2->pnum, err);
889 		       e1->pnum, e2->pnum, err);
892 		prot_queue_add(ubi, e1);
894 		wl_tree_add(e1, &ubi->erroneous);
897 		wl_tree_add(e1, &ubi->scrub);
899 		wl_tree_add(e1, &ubi->used);
916 			err, e1->pnum, e2->pnum);
919 			err, e1->pnum, vol_id, lnum, e2->pnum);
926 	wl_entry_destroy(ubi, e1);
955 	struct ubi_wl_entry *e1;  local
979 		e1 = rb_entry(rb_first(&ubi->used), struct ubi_wl_entry, u.rb);
982 		if (!(e2->ec - e1->ec >= UBI_WL_THRESHOLD))