74 	int err, gc_lnum = c->gc_lnum;  in switch_gc_head()  local
82 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
83 	if (err)  in switch_gc_head()
84 		return err;  in switch_gc_head()
90 	err = ubifs_leb_unmap(c, gc_lnum);  in switch_gc_head()
91 	if (err)  in switch_gc_head()
92 		return err;  in switch_gc_head()
94 	err = ubifs_wbuf_sync_nolock(wbuf);  in switch_gc_head()
95 	if (err)  in switch_gc_head()
96 		return err;  in switch_gc_head()
98 	err = ubifs_add_bud_to_log(c, GCHD, gc_lnum, 0);  in switch_gc_head()
99 	if (err)  in switch_gc_head()
100 		return err;  in switch_gc_head()
103 	err = ubifs_wbuf_seek_nolock(wbuf, gc_lnum, 0);  in switch_gc_head()
104 	return err;  in switch_gc_head()
241 	int err;  in sort_nodes()  local
269 		err = ubifs_tnc_has_node(c, &snod->key, 0, sleb->lnum,  in sort_nodes()
271 		if (err < 0)  in sort_nodes()
272 			return err;  in sort_nodes()
274 		if (!err) {  in sort_nodes()
292 	err = dbg_check_data_nodes_order(c, &sleb->nodes);  in sort_nodes()
293 	if (err)  in sort_nodes()
294 		return err;  in sort_nodes()
295 	err = dbg_check_nondata_nodes_order(c, nondata);  in sort_nodes()
296 	if (err)  in sort_nodes()
297 		return err;  in sort_nodes()
315 	int err, new_lnum = wbuf->lnum, new_offs = wbuf->offs + wbuf->used;  in move_node()  local
318 	err = ubifs_wbuf_write_nolock(wbuf, snod->node, snod->len);  in move_node()
319 	if (err)  in move_node()
320 		return err;  in move_node()
322 	err = ubifs_tnc_replace(c, &snod->key, sleb->lnum,  in move_node()
327 	return err;  in move_node()
342 	int err, min;  in move_nodes()  local
351 		err = switch_gc_head(c);  in move_nodes()
352 		if (err)  in move_nodes()
353 			return err;  in move_nodes()
356 	err = sort_nodes(c, sleb, &nondata, &min);  in move_nodes()
357 	if (err)  in move_nodes()
375 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
376 			if (err)  in move_nodes()
400 			err = move_node(c, sleb, snod, wbuf);  in move_nodes()
401 			if (err)  in move_nodes()
412 		err = switch_gc_head(c);  in move_nodes()
413 		if (err)  in move_nodes()
421 	return err;  in move_nodes()
439 	int err, i;  in gc_sync_wbufs()  local
444 		err = ubifs_wbuf_sync(&c->jheads[i].wbuf);  in gc_sync_wbufs()
445 		if (err)  in gc_sync_wbufs()
446 			return err;  in gc_sync_wbufs()
465 	int err = 0, lnum = lp->lnum;  in ubifs_garbage_collect_leb()  local
483 			err = gc_sync_wbufs(c);  in ubifs_garbage_collect_leb()
484 			if (err)  in ubifs_garbage_collect_leb()
485 				return err;  in ubifs_garbage_collect_leb()
486 			err = ubifs_change_one_lp(c, lp->lnum, c->leb_size,  in ubifs_garbage_collect_leb()
488 			if (err)  in ubifs_garbage_collect_leb()
489 				return err;  in ubifs_garbage_collect_leb()
491 		err = ubifs_leb_unmap(c, lp->lnum);  in ubifs_garbage_collect_leb()
492 		if (err)  in ubifs_garbage_collect_leb()
493 			return err;  in ubifs_garbage_collect_leb()
525 			err = ubifs_dirty_idx_node(c, &snod->key, level, lnum,  in ubifs_garbage_collect_leb()
527 			if (err)  in ubifs_garbage_collect_leb()
533 			err = -ENOMEM;  in ubifs_garbage_collect_leb()
547 		err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0,  in ubifs_garbage_collect_leb()
549 		if (err)  in ubifs_garbage_collect_leb()
551 		err = LEB_FREED_IDX;  in ubifs_garbage_collect_leb()
556 		err = move_nodes(c, sleb);  in ubifs_garbage_collect_leb()
557 		if (err)  in ubifs_garbage_collect_leb()
560 		err = gc_sync_wbufs(c);  in ubifs_garbage_collect_leb()
561 		if (err)  in ubifs_garbage_collect_leb()
564 		err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0, 0, 0);  in ubifs_garbage_collect_leb()
565 		if (err)  in ubifs_garbage_collect_leb()
576 			err = LEB_RETAINED;  in ubifs_garbage_collect_leb()
578 			err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect_leb()
579 			if (err)  in ubifs_garbage_collect_leb()
582 			err = ubifs_leb_unmap(c, lnum);  in ubifs_garbage_collect_leb()
583 			if (err)  in ubifs_garbage_collect_leb()
586 			err = LEB_FREED;  in ubifs_garbage_collect_leb()
592 	return err;  in ubifs_garbage_collect_leb()
641 	int i, err, ret, min_space = c->dead_wm;  in ubifs_garbage_collect()  local
724 				err = ubifs_return_leb(c, lp.lnum);  in ubifs_garbage_collect()
725 				if (err)  in ubifs_garbage_collect()
726 					ret = err;  in ubifs_garbage_collect()
798 	err = ubifs_wbuf_sync_nolock(wbuf);  in ubifs_garbage_collect()
799 	if (!err)  in ubifs_garbage_collect()
800 		err = ubifs_leb_unmap(c, c->gc_lnum);  in ubifs_garbage_collect()
801 	if (err) {  in ubifs_garbage_collect()
802 		ret = err;  in ubifs_garbage_collect()
834 	int err = 0, flags;  in ubifs_gc_start_commit()  local
845 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
852 		err = ubifs_leb_unmap(c, lp->lnum);  in ubifs_gc_start_commit()
853 		if (err)  in ubifs_gc_start_commit()
857 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
872 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
879 			err = -ENOMEM;  in ubifs_gc_start_commit()
888 			err = PTR_ERR(lp);  in ubifs_gc_start_commit()
900 	return err;  in ubifs_gc_start_commit()
913 	int err = 0;  in ubifs_gc_end_commit()  local
920 			err = ubifs_leb_unmap(c, idx_gc->lnum);  in ubifs_gc_end_commit()
921 			if (err)  in ubifs_gc_end_commit()
923 			err = ubifs_change_one_lp(c, idx_gc->lnum, LPROPS_NC,  in ubifs_gc_end_commit()
925 			if (err)  in ubifs_gc_end_commit()
932 	return err;  in ubifs_gc_end_commit()