673 	struct btrfs_key key;  in load_block_group_size_class()  local
685 		ret = sample_block_group_extent_item(caching_ctl, block_group, i, 5, &key);  in load_block_group_size_class()
690 		min_size = min_t(u64, min_size, key.offset);  in load_block_group_size_class()
709 	struct btrfs_key key;  in load_extent_tree_free()  local
742 	key.objectid = last;  in load_extent_tree_free()
743 	key.offset = 0;  in load_extent_tree_free()
744 	key.type = BTRFS_EXTENT_ITEM_KEY;  in load_extent_tree_free()
747 	ret = btrfs_search_slot(NULL, extent_root, &key, path, 0, 0);  in load_extent_tree_free()
761 			btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);  in load_extent_tree_free()
763 			ret = btrfs_find_next_key(extent_root, path, &key, 0, 0);  in load_extent_tree_free()
788 		if (key.objectid < last) {  in load_extent_tree_free()
789 			key.objectid = last;  in load_extent_tree_free()
790 			key.offset = 0;  in load_extent_tree_free()
791 			key.type = BTRFS_EXTENT_ITEM_KEY;  in load_extent_tree_free()
796 		if (key.objectid < block_group->start) {  in load_extent_tree_free()
801 		if (key.objectid >= block_group->start + block_group->length)  in load_extent_tree_free()
804 		if (key.type == BTRFS_EXTENT_ITEM_KEY ||  in load_extent_tree_free()
805 		    key.type == BTRFS_METADATA_ITEM_KEY) {  in load_extent_tree_free()
809 						       key.objectid, &space_added);  in load_extent_tree_free()
813 			if (key.type == BTRFS_METADATA_ITEM_KEY)  in load_extent_tree_free()
814 				last = key.objectid +  in load_extent_tree_free()
817 				last = key.objectid + key.offset;  in load_extent_tree_free()
1031 	struct btrfs_key key;  in remove_block_group_item()  local
1035 	key.objectid = block_group->start;  in remove_block_group_item()
1036 	key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;  in remove_block_group_item()
1037 	key.offset = block_group->length;  in remove_block_group_item()
1039 	ret = btrfs_search_slot(trans, root, &key, path, -1, 1);  in remove_block_group_item()
1990 static int read_bg_from_eb(struct btrfs_fs_info *fs_info, struct btrfs_key *key,  in read_bg_from_eb()  argument
2006 	em = lookup_extent_mapping(em_tree, key->objectid, key->offset);  in read_bg_from_eb()
2011 			  key->objectid, key->offset);  in read_bg_from_eb()
2015 	if (em->start != key->objectid || em->len != key->offset) {  in read_bg_from_eb()
2018 			key->objectid, key->offset, em->start, em->len);  in read_bg_from_eb()
2031 			  key->objectid, key->offset, flags,  in read_bg_from_eb()
2043 				  struct btrfs_key *key)  in find_first_block_group()  argument
2049 	btrfs_for_each_slot(root, key, &found_key, path, ret) {  in find_first_block_group()
2050 		if (found_key.objectid >= key->objectid &&  in find_first_block_group()
2315 				const struct btrfs_key *key,  in read_one_block_group()  argument
2322 	ASSERT(key->type == BTRFS_BLOCK_GROUP_ITEM_KEY);  in read_one_block_group()
2324 	cache = btrfs_create_block_group_cache(info, key->objectid);  in read_one_block_group()
2328 	cache->length = key->offset;  in read_one_block_group()
2491 	struct btrfs_key key;  in btrfs_read_block_groups()  local
2507 	key.objectid = 0;  in btrfs_read_block_groups()
2508 	key.offset = 0;  in btrfs_read_block_groups()
2509 	key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;  in btrfs_read_block_groups()
2526 		ret = find_first_block_group(info, path, &key);  in btrfs_read_block_groups()
2538 		btrfs_item_key_to_cpu(leaf, &key, slot);  in btrfs_read_block_groups()
2540 		ret = read_one_block_group(info, &bgi, &key, need_clear);  in btrfs_read_block_groups()
2543 		key.objectid += key.offset;  in btrfs_read_block_groups()
2544 		key.offset = 0;  in btrfs_read_block_groups()
2608 	struct btrfs_key key;  in insert_block_group_item()  local
2619 	key.objectid = block_group->start;  in insert_block_group_item()
2620 	key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;  in insert_block_group_item()
2621 	key.offset = block_group->length;  in insert_block_group_item()
2624 	ret = btrfs_insert_item(trans, root, &key, &bgi, sizeof(bgi));  in insert_block_group_item()
2643 	struct btrfs_key key;  in insert_dev_extent()  local
2652 	key.objectid = device->devid;  in insert_dev_extent()
2653 	key.type = BTRFS_DEV_EXTENT_KEY;  in insert_dev_extent()
2654 	key.offset = start;  in insert_dev_extent()
2655 	ret = btrfs_insert_empty_item(trans, root, path, &key, sizeof(*extent));  in insert_dev_extent()
3054 	struct btrfs_key key;  in update_block_group_item()  local
3075 	key.objectid = cache->start;  in update_block_group_item()
3076 	key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;  in update_block_group_item()
3077 	key.offset = cache->length;  in update_block_group_item()
3079 	ret = btrfs_search_slot(trans, root, &key, path, 0, 1);  in update_block_group_item()