83 	int err, gc_lnum = c->gc_lnum;  in switch_gc_head()  local
91 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
92 	if (err)  in switch_gc_head()
93 		return err;  in switch_gc_head()
99 	err = ubifs_leb_unmap(c, gc_lnum);  in switch_gc_head()
100 	if (err)  in switch_gc_head()
101 		return err;  in switch_gc_head()
103 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
104 	if (err)  in switch_gc_head()
105 		return err;  in switch_gc_head()
107 	err = ubifs_add_bud_to_log(c, GCHD, gc_lnum, 0);  in switch_gc_head()
108 	if (err)  in switch_gc_head()
109 		return err;  in switch_gc_head()
112 	err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);  in switch_gc_head()
113 	return err;  in switch_gc_head()
250 	int err;  in sort_nodes()  local
278 		err = ubifs_tnc_has_node(c, &snod->key, 0, sleb->lnum,  in sort_nodes()
280 		if (err < 0)  in sort_nodes()
281 			return err;  in sort_nodes()
283 		if (!err) {  in sort_nodes()
301 	err = dbg_check_data_nodes_order(c, &sleb->nodes);  in sort_nodes()
302 	if (err)  in sort_nodes()
303 		return err;  in sort_nodes()
304 	err = dbg_check_nondata_nodes_order(c, nondata);  in sort_nodes()
305 	if (err)  in sort_nodes()
306 		return err;  in sort_nodes()
324 	int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used;  in move_node()  local
327 	err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len);  in move_node()
328 	if (err)  in move_node()
329 		return err;  in move_node()
331 	err = ubifs_tnc_replace(c, &snod->key, sleb->lnum,  in move_node()
336 	return err;  in move_node()
351 	int err, min;  in move_nodes()  local
360 		err = switch_gc_head(c);  in move_nodes()
361 		if (err)  in move_nodes()
362 			return err;  in move_nodes()
365 	err = sort_nodes(c, sleb, &nondata, &min);  in move_nodes()
366 	if (err)  in move_nodes()
384 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
385 			if (err)  in move_nodes()
409 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
410 			if (err)  in move_nodes()
421 		err = switch_gc_head(c);  in move_nodes()
422 		if (err)  in move_nodes()
430 	return err;  in move_nodes()
448 	int err, i;  in gc_sync_wbufs()  local
453 		err = ubifs_wbuf_sync(&c->jheads[i].wbuf);  in gc_sync_wbufs()
454 		if (err)  in gc_sync_wbufs()
455 			return err;  in gc_sync_wbufs()
474 	int err = 0, lnum = lp->lnum;  in ubifs_garbage_collect_leb()  local
492 			err = gc_sync_wbufs(c);  in ubifs_garbage_collect_leb()
493 			if (err)  in ubifs_garbage_collect_leb()
494 				return err;  in ubifs_garbage_collect_leb()
495 			err = ubifs_change_one_lp(c, lp->lnum, c->leb_size,  in ubifs_garbage_collect_leb()
497 			if (err)  in ubifs_garbage_collect_leb()
498 				return err;  in ubifs_garbage_collect_leb()
500 		err = ubifs_leb_unmap(c, lp->lnum);  in ubifs_garbage_collect_leb()
501 		if (err)  in ubifs_garbage_collect_leb()
502 			return err;  in ubifs_garbage_collect_leb()
534 			err = ubifs_dirty_idx_node(c, &snod->key, level, lnum,  in ubifs_garbage_collect_leb()
536 			if (err)  in ubifs_garbage_collect_leb()
542 			err = -ENOMEM;  in ubifs_garbage_collect_leb()
556 		err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0,  in ubifs_garbage_collect_leb()
558 		if (err)  in ubifs_garbage_collect_leb()
560 		err = LEB_FREED_IDX;  in ubifs_garbage_collect_leb()
565 		err = move_nodes(c, sleb);  in ubifs_garbage_collect_leb()
566 		if (err)  in ubifs_garbage_collect_leb()
569 		err = gc_sync_wbufs(c);  in ubifs_garbage_collect_leb()
570 		if (err)  in ubifs_garbage_collect_leb()
573 		err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0, 0, 0);  in ubifs_garbage_collect_leb()
574 		if (err)  in ubifs_garbage_collect_leb()
585 			err = LEB_RETAINED;  in ubifs_garbage_collect_leb()
587 			err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect_leb()
588 			if (err)  in ubifs_garbage_collect_leb()
591 			err = ubifs_leb_unmap(c, lnum);  in ubifs_garbage_collect_leb()
592 			if (err)  in ubifs_garbage_collect_leb()
595 			err = LEB_FREED;  in ubifs_garbage_collect_leb()
601 	return err;  in ubifs_garbage_collect_leb()
650 	int i, err, ret, min_space = c->dead_wm;  in ubifs_garbage_collect()  local
734 				err = ubifs_return_leb(c, lp.lnum);  in ubifs_garbage_collect()
735 				if (err)  in ubifs_garbage_collect()
736 					ret = err;  in ubifs_garbage_collect()
808 	err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
809 	if (!err)  in ubifs_garbage_collect()
810 		err = ubifs_leb_unmap(c, c->gc_lnum);  in ubifs_garbage_collect()
811 	if (err) {  in ubifs_garbage_collect()
812 		ret = err;  in ubifs_garbage_collect()
844 	int err = 0, flags;  in ubifs_gc_start_commit()  local
855 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
862 		err = ubifs_leb_unmap(c, lp->lnum);  in ubifs_gc_start_commit()
863 		if (err)  in ubifs_gc_start_commit()
867 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
882 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
889 			err = -ENOMEM;  in ubifs_gc_start_commit()
898 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
910 	return err;  in ubifs_gc_start_commit()
923 	int err = 0;  in ubifs_gc_end_commit()  local
930 			err = ubifs_leb_unmap(c, idx_gc->lnum);  in ubifs_gc_end_commit()
931 			if (err)  in ubifs_gc_end_commit()
933 			err = ubifs_change_one_lp(c, idx_gc->lnum, LPROPS_NC,  in ubifs_gc_end_commit()
935 			if (err)  in ubifs_gc_end_commit()
942 	return err;  in ubifs_gc_end_commit()