115 	struct dirty_map dmap[2];  member
466 	cmd->dmap[0].changed = 0;  in dirty_map_init()
467 	cmd->dmap[0].dirty_words = kvzalloc(bitmap_size(cmd->nr_words), GFP_KERNEL);  in dirty_map_init()
469 	if (!cmd->dmap[0].dirty_words) {  in dirty_map_init()
474 	cmd->dmap[1].changed = 0;  in dirty_map_init()
475 	cmd->dmap[1].dirty_words = kvzalloc(bitmap_size(cmd->nr_words), GFP_KERNEL);  in dirty_map_init()
477 	if (!cmd->dmap[1].dirty_words) {  in dirty_map_init()
479 		kvfree(cmd->dmap[0].dirty_words);  in dirty_map_init()
483 	cmd->current_dmap = &cmd->dmap[0];  in dirty_map_init()
490 	kvfree(cmd->dmap[0].dirty_words);  in dirty_map_exit()
491 	kvfree(cmd->dmap[1].dirty_words);  in dirty_map_exit()
712 static int __flush_dmap(struct dm_clone_metadata *cmd, struct dirty_map *dmap)  in __flush_dmap()  argument
719 		word = find_next_bit(dmap->dirty_words, cmd->nr_words, word);  in __flush_dmap()
729 		__clear_bit(word, dmap->dirty_words);  in __flush_dmap()
740 	dmap->changed = 0;  in __flush_dmap()
750 	struct dirty_map *dmap, *next_dmap;  in dm_clone_metadata_commit()  local
758 	dmap = cmd->current_dmap;  in dm_clone_metadata_commit()
761 	next_dmap = (dmap == &cmd->dmap[0]) ? &cmd->dmap[1] : &cmd->dmap[0];  in dm_clone_metadata_commit()
781 	r = __flush_dmap(cmd, dmap);  in dm_clone_metadata_commit()
791 	struct dirty_map *dmap;  in dm_clone_set_region_hydrated()  local
803 	dmap = cmd->current_dmap;  in dm_clone_set_region_hydrated()
805 	__set_bit(word, dmap->dirty_words);  in dm_clone_set_region_hydrated()
807 	dmap->changed = 1;  in dm_clone_set_region_hydrated()
819 	struct dirty_map *dmap;  in dm_clone_cond_set_range()  local
829 	dmap = cmd->current_dmap;  in dm_clone_cond_set_range()
833 			__set_bit(word, dmap->dirty_words);  in dm_clone_cond_set_range()
835 			dmap->changed = 1;  in dm_clone_cond_set_range()
876 	r = cmd->dmap[0].changed || cmd->dmap[1].changed;  in dm_clone_changed_this_transaction()