2673 		struct btrfs_block_group *bg;  in first_logical_byte()  local
2675 		bg = rb_entry(leftmost, struct btrfs_block_group, cache_node);  in first_logical_byte()
2676 		bytenr = bg->start;  in first_logical_byte()
2684 			   struct btrfs_block_group *bg,  in pin_down_extent()  argument
2687 	struct btrfs_space_info *space_info = bg->space_info;  in pin_down_extent()
2691 	spin_lock(&bg->lock);  in pin_down_extent()
2692 	bg->pinned += num_bytes;  in pin_down_extent()
2693 	bg->reserved -= reserved_bytes;  in pin_down_extent()
2694 	spin_unlock(&bg->lock);  in pin_down_extent()
2797 btrfs_inc_block_group_reservations(struct btrfs_block_group *bg)  in btrfs_inc_block_group_reservations()  argument
2799 	atomic_inc(&bg->reservations);  in btrfs_inc_block_group_reservations()
2915 int btrfs_complete_bg_remapping(struct btrfs_block_group *bg)  in btrfs_complete_bg_remapping()  argument
2917 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_complete_bg_remapping()
2921 	map = btrfs_get_chunk_map(fs_info, bg->start, 1);  in btrfs_complete_bg_remapping()
2925 	ret = btrfs_last_identity_remap_gone(map, bg);  in btrfs_complete_bg_remapping()
2939 	if (bg->used == 0) {  in btrfs_complete_bg_remapping()
2941 		if (!list_empty(&bg->bg_list)) {  in btrfs_complete_bg_remapping()
2942 			list_del_init(&bg->bg_list);  in btrfs_complete_bg_remapping()
2943 			btrfs_put_block_group(bg);  in btrfs_complete_bg_remapping()
2947 		btrfs_mark_bg_unused(bg);  in btrfs_complete_bg_remapping()
2955 	struct btrfs_block_group *bg;  in btrfs_handle_fully_remapped_bgs()  local
2960 		bg = list_first_entry(&fs_info->fully_remapped_bgs,  in btrfs_handle_fully_remapped_bgs()
2962 		list_del_init(&bg->bg_list);  in btrfs_handle_fully_remapped_bgs()
2965 		btrfs_discard_extent(fs_info, bg->start, bg->length, NULL, false);  in btrfs_handle_fully_remapped_bgs()
2967 		ret = btrfs_complete_bg_remapping(bg);  in btrfs_handle_fully_remapped_bgs()
2969 			btrfs_put_block_group(bg);  in btrfs_handle_fully_remapped_bgs()
2973 		btrfs_put_block_group(bg);  in btrfs_handle_fully_remapped_bgs()
3623 	struct btrfs_block_group *bg;  in btrfs_free_tree_block()  local
3663 	bg = btrfs_lookup_block_group(fs_info, buf->start);  in btrfs_free_tree_block()
3666 		pin_down_extent(trans, bg, buf->start, buf->len, true);  in btrfs_free_tree_block()
3667 		btrfs_put_block_group(bg);  in btrfs_free_tree_block()
3690 		pin_down_extent(trans, bg, buf->start, buf->len, true);  in btrfs_free_tree_block()
3691 		btrfs_put_block_group(bg);  in btrfs_free_tree_block()
3697 	btrfs_add_free_space(bg, buf->start, buf->len);  in btrfs_free_tree_block()
3698 	btrfs_free_reserved_bytes(bg, buf->len, false);  in btrfs_free_tree_block()
3699 	btrfs_put_block_group(bg);  in btrfs_free_tree_block()
3832 					      const struct btrfs_block_group *bg)  in find_free_extent_check_size_class()  argument
3836 	if (!btrfs_block_group_should_use_size_class(bg))  in find_free_extent_check_size_class()
3841 	    bg->size_class == BTRFS_BG_SZ_NONE)  in find_free_extent_check_size_class()
3843 	return ffe_ctl->size_class == bg->size_class;  in find_free_extent_check_size_class()
3853 static int find_free_extent_clustered(struct btrfs_block_group *bg,  in find_free_extent_clustered()  argument
3863 	cluster_bg = btrfs_lock_cluster(bg, last_ptr, ffe_ctl->delalloc);  in find_free_extent_clustered()
3866 	if (cluster_bg != bg && (cluster_bg->ro ||  in find_free_extent_clustered()
3896 	if (ffe_ctl->loop >= LOOP_NO_EMPTY_SIZE && cluster_bg != bg) {  in find_free_extent_clustered()
3905 	if (cluster_bg != bg)  in find_free_extent_clustered()
3916 			bg->full_stripe_len);  in find_free_extent_clustered()
3917 	ret = btrfs_find_space_cluster(bg, last_ptr, ffe_ctl->search_start,  in find_free_extent_clustered()
3921 		offset = btrfs_alloc_from_cluster(bg, last_ptr,  in find_free_extent_clustered()
3928 			trace_btrfs_reserve_extent_cluster(bg, ffe_ctl);  in find_free_extent_clustered()
3946 static int find_free_extent_unclustered(struct btrfs_block_group *bg,  in find_free_extent_unclustered()  argument
3965 		free_space_ctl = bg->free_space_ctl;  in find_free_extent_unclustered()
3979 	offset = btrfs_find_space_for_alloc(bg, ffe_ctl->search_start,  in find_free_extent_unclustered()