73 	int err, gc_lnum = c->gc_lnum;  in switch_gc_head()  local
81 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
82 	if (err)  in switch_gc_head()
83 		return err;  in switch_gc_head()
89 	err = ubifs_leb_unmap(c, gc_lnum);  in switch_gc_head()
90 	if (err)  in switch_gc_head()
91 		return err;  in switch_gc_head()
93 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
94 	if (err)  in switch_gc_head()
95 		return err;  in switch_gc_head()
97 	err = ubifs_add_bud_to_log(c, GCHD, gc_lnum, 0);  in switch_gc_head()
98 	if (err)  in switch_gc_head()
99 		return err;  in switch_gc_head()
102 	err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);  in switch_gc_head()
103 	return err;  in switch_gc_head()
240 	int err;  in sort_nodes()  local
268 		err = ubifs_tnc_has_node(c, &snod->key, 0, sleb->lnum,  in sort_nodes()
270 		if (err < 0)  in sort_nodes()
271 			return err;  in sort_nodes()
273 		if (!err) {  in sort_nodes()
291 	err = dbg_check_data_nodes_order(c, &sleb->nodes);  in sort_nodes()
292 	if (err)  in sort_nodes()
293 		return err;  in sort_nodes()
294 	err = dbg_check_nondata_nodes_order(c, nondata);  in sort_nodes()
295 	if (err)  in sort_nodes()
296 		return err;  in sort_nodes()
314 	int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used;  in move_node()  local
317 	err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len);  in move_node()
318 	if (err)  in move_node()
319 		return err;  in move_node()
321 	err = ubifs_tnc_replace(c, &snod->key, sleb->lnum,  in move_node()
326 	return err;  in move_node()
341 	int err, min;  in move_nodes()  local
350 		err = switch_gc_head(c);  in move_nodes()
351 		if (err)  in move_nodes()
352 			return err;  in move_nodes()
355 	err = sort_nodes(c, sleb, &nondata, &min);  in move_nodes()
356 	if (err)  in move_nodes()
374 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
375 			if (err)  in move_nodes()
399 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
400 			if (err)  in move_nodes()
411 		err = switch_gc_head(c);  in move_nodes()
412 		if (err)  in move_nodes()
420 	return err;  in move_nodes()
438 	int err, i;  in gc_sync_wbufs()  local
443 		err = ubifs_wbuf_sync(&c->jheads[i].wbuf);  in gc_sync_wbufs()
444 		if (err)  in gc_sync_wbufs()
445 			return err;  in gc_sync_wbufs()
464 	int err = 0, lnum = lp->lnum;  in ubifs_garbage_collect_leb()  local
482 			err = gc_sync_wbufs(c);  in ubifs_garbage_collect_leb()
483 			if (err)  in ubifs_garbage_collect_leb()
484 				return err;  in ubifs_garbage_collect_leb()
485 			err = ubifs_change_one_lp(c, lp->lnum, c->leb_size,  in ubifs_garbage_collect_leb()
487 			if (err)  in ubifs_garbage_collect_leb()
488 				return err;  in ubifs_garbage_collect_leb()
490 		err = ubifs_leb_unmap(c, lp->lnum);  in ubifs_garbage_collect_leb()
491 		if (err)  in ubifs_garbage_collect_leb()
492 			return err;  in ubifs_garbage_collect_leb()
524 			err = ubifs_dirty_idx_node(c, &snod->key, level, lnum,  in ubifs_garbage_collect_leb()
526 			if (err)  in ubifs_garbage_collect_leb()
532 			err = -ENOMEM;  in ubifs_garbage_collect_leb()
546 		err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0,  in ubifs_garbage_collect_leb()
548 		if (err)  in ubifs_garbage_collect_leb()
550 		err = LEB_FREED_IDX;  in ubifs_garbage_collect_leb()
555 		err = move_nodes(c, sleb);  in ubifs_garbage_collect_leb()
556 		if (err)  in ubifs_garbage_collect_leb()
559 		err = gc_sync_wbufs(c);  in ubifs_garbage_collect_leb()
560 		if (err)  in ubifs_garbage_collect_leb()
563 		err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0, 0, 0);  in ubifs_garbage_collect_leb()
564 		if (err)  in ubifs_garbage_collect_leb()
575 			err = LEB_RETAINED;  in ubifs_garbage_collect_leb()
577 			err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect_leb()
578 			if (err)  in ubifs_garbage_collect_leb()
581 			err = ubifs_leb_unmap(c, lnum);  in ubifs_garbage_collect_leb()
582 			if (err)  in ubifs_garbage_collect_leb()
585 			err = LEB_FREED;  in ubifs_garbage_collect_leb()
591 	return err;  in ubifs_garbage_collect_leb()
640 	int i, err, ret, min_space = c->dead_wm;  in ubifs_garbage_collect()  local
723 				err = ubifs_return_leb(c, lp.lnum);  in ubifs_garbage_collect()
724 				if (err)  in ubifs_garbage_collect()
725 					ret = err;  in ubifs_garbage_collect()
797 	err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
798 	if (!err)  in ubifs_garbage_collect()
799 		err = ubifs_leb_unmap(c, c->gc_lnum);  in ubifs_garbage_collect()
800 	if (err) {  in ubifs_garbage_collect()
801 		ret = err;  in ubifs_garbage_collect()
833 	int err = 0, flags;  in ubifs_gc_start_commit()  local
844 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
851 		err = ubifs_leb_unmap(c, lp->lnum);  in ubifs_gc_start_commit()
852 		if (err)  in ubifs_gc_start_commit()
856 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
871 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
878 			err = -ENOMEM;  in ubifs_gc_start_commit()
887 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
899 	return err;  in ubifs_gc_start_commit()
912 	int err = 0;  in ubifs_gc_end_commit()  local
919 			err = ubifs_leb_unmap(c, idx_gc->lnum);  in ubifs_gc_end_commit()
920 			if (err)  in ubifs_gc_end_commit()
922 			err = ubifs_change_one_lp(c, idx_gc->lnum, LPROPS_NC,  in ubifs_gc_end_commit()
924 			if (err)  in ubifs_gc_end_commit()
931 	return err;  in ubifs_gc_end_commit()