2484 	struct btrfs_block_group *block_group;  in btrfs_extent_readonly()  local
2487 	block_group = btrfs_lookup_block_group(fs_info, bytenr);  in btrfs_extent_readonly()
2488 	if (!block_group || block_group->ro)  in btrfs_extent_readonly()
2490 	if (block_group)  in btrfs_extent_readonly()
2491 		btrfs_put_block_group(block_group);  in btrfs_extent_readonly()
2607 	struct btrfs_block_group *block_group;  in __exclude_logged_extent()  local
2610 	block_group = btrfs_lookup_block_group(fs_info, start);  in __exclude_logged_extent()
2611 	if (!block_group)  in __exclude_logged_extent()
2614 	btrfs_cache_block_group(block_group, 0);  in __exclude_logged_extent()
2615 	caching_ctl = btrfs_get_caching_control(block_group);  in __exclude_logged_extent()
2619 		BUG_ON(!btrfs_block_group_done(block_group));  in __exclude_logged_extent()
2620 		ret = btrfs_remove_free_space(block_group, start, num_bytes);  in __exclude_logged_extent()
2628 			ret = btrfs_remove_free_space(block_group,  in __exclude_logged_extent()
2632 			ret = btrfs_remove_free_space(block_group,  in __exclude_logged_extent()
2647 	btrfs_put_block_group(block_group);  in __exclude_logged_extent()
2815 	struct btrfs_block_group *block_group, *tmp;  in btrfs_finish_extent_commit()  local
2860 	list_for_each_entry_safe(block_group, tmp, deleted_bgs, bg_list) {  in btrfs_finish_extent_commit()
2866 						   block_group->start,  in btrfs_finish_extent_commit()
2867 						   block_group->length,  in btrfs_finish_extent_commit()
2870 		list_del_init(&block_group->bg_list);  in btrfs_finish_extent_commit()
2871 		btrfs_unfreeze_block_group(block_group);  in btrfs_finish_extent_commit()
2872 		btrfs_put_block_group(block_group);  in btrfs_finish_extent_commit()
3423 		   struct btrfs_block_group *block_group,  in btrfs_lock_cluster()  argument
3432 		used_bg = cluster->block_group;  in btrfs_lock_cluster()
3436 		if (used_bg == block_group)  in btrfs_lock_cluster()
3453 		if (used_bg == cluster->block_group)  in btrfs_lock_cluster()
3573 	WARN_ON(last_ptr->block_group != cluster_bg);  in find_free_extent_clustered()
3707 static int do_allocation_clustered(struct btrfs_block_group *block_group,  in do_allocation_clustered()  argument
3715 		ret = find_free_extent_clustered(block_group, ffe_ctl, bg_ret);  in do_allocation_clustered()
3721 	return find_free_extent_unclustered(block_group, ffe_ctl);  in do_allocation_clustered()
3724 static int do_allocation(struct btrfs_block_group *block_group,  in do_allocation()  argument
3730 		return do_allocation_clustered(block_group, ffe_ctl, bg_ret);  in do_allocation()
3736 static void release_block_group(struct btrfs_block_group *block_group,  in release_block_group()  argument
3749 	BUG_ON(btrfs_bg_flags_to_raid_index(block_group->flags) !=  in release_block_group()
3751 	btrfs_release_block_group(block_group, delalloc);  in release_block_group()
3930 		if (last_ptr->block_group)  in prepare_allocation_clustered()
3994 	struct btrfs_block_group *block_group = NULL;  in find_free_extent()  local
4039 		block_group = btrfs_lookup_block_group(fs_info,  in find_free_extent()
4048 		if (block_group && block_group_bits(block_group, flags) &&  in find_free_extent()
4049 		    block_group->cached != BTRFS_CACHE_NO) {  in find_free_extent()
4051 			if (list_empty(&block_group->list) ||  in find_free_extent()
4052 			    block_group->ro) {  in find_free_extent()
4059 				btrfs_put_block_group(block_group);  in find_free_extent()
4063 						block_group->flags);  in find_free_extent()
4064 				btrfs_lock_block_group(block_group, delalloc);  in find_free_extent()
4067 		} else if (block_group) {  in find_free_extent()
4068 			btrfs_put_block_group(block_group);  in find_free_extent()
4077 	list_for_each_entry(block_group,  in find_free_extent()
4082 		if (unlikely(block_group->ro))  in find_free_extent()
4085 		btrfs_grab_block_group(block_group, delalloc);  in find_free_extent()
4086 		ffe_ctl.search_start = block_group->start;  in find_free_extent()
4093 		if (!block_group_bits(block_group, flags)) {  in find_free_extent()
4104 			if ((flags & extra) && !(block_group->flags & extra))  in find_free_extent()
4112 			btrfs_release_block_group(block_group, delalloc);  in find_free_extent()
4117 		ffe_ctl.cached = btrfs_block_group_done(block_group);  in find_free_extent()
4120 			ret = btrfs_cache_block_group(block_group, 0);  in find_free_extent()
4138 		if (unlikely(block_group->cached == BTRFS_CACHE_ERROR))  in find_free_extent()
4142 		ret = do_allocation(block_group, &ffe_ctl, &bg_ret);  in find_free_extent()
4144 			if (bg_ret && bg_ret != block_group) {  in find_free_extent()
4145 				btrfs_release_block_group(block_group, delalloc);  in find_free_extent()
4146 				block_group = bg_ret;  in find_free_extent()
4160 		    block_group->start + block_group->length) {  in find_free_extent()
4161 			btrfs_add_free_space(block_group, ffe_ctl.found_offset,  in find_free_extent()
4167 			btrfs_add_free_space(block_group, ffe_ctl.found_offset,  in find_free_extent()
4170 		ret = btrfs_add_reserved_bytes(block_group, ram_bytes,  in find_free_extent()
4173 			btrfs_add_free_space(block_group, ffe_ctl.found_offset,  in find_free_extent()
4177 		btrfs_inc_block_group_reservations(block_group);  in find_free_extent()
4183 		trace_btrfs_reserve_extent(block_group, ffe_ctl.search_start,  in find_free_extent()
4185 		btrfs_release_block_group(block_group, delalloc);  in find_free_extent()
4188 		release_block_group(block_group, &ffe_ctl, delalloc);  in find_free_extent()
4535 	struct btrfs_block_group *block_group;  in btrfs_alloc_logged_file_extent()  local
4549 	block_group = btrfs_lookup_block_group(fs_info, ins->objectid);  in btrfs_alloc_logged_file_extent()
4550 	if (!block_group)  in btrfs_alloc_logged_file_extent()
4553 	space_info = block_group->space_info;  in btrfs_alloc_logged_file_extent()
4555 	spin_lock(&block_group->lock);  in btrfs_alloc_logged_file_extent()
4557 	block_group->reserved += ins->offset;  in btrfs_alloc_logged_file_extent()
4558 	spin_unlock(&block_group->lock);  in btrfs_alloc_logged_file_extent()
4565 	btrfs_put_block_group(block_group);  in btrfs_alloc_logged_file_extent()
5663 	struct btrfs_block_group *block_group;  in btrfs_account_ro_block_groups_free_space()  local
5672 	list_for_each_entry(block_group, &sinfo->ro_bgs, ro_list) {  in btrfs_account_ro_block_groups_free_space()
5673 		spin_lock(&block_group->lock);  in btrfs_account_ro_block_groups_free_space()
5675 		if (!block_group->ro) {  in btrfs_account_ro_block_groups_free_space()
5676 			spin_unlock(&block_group->lock);  in btrfs_account_ro_block_groups_free_space()
5680 		factor = btrfs_bg_type_to_factor(block_group->flags);  in btrfs_account_ro_block_groups_free_space()
5681 		free_bytes += (block_group->length -  in btrfs_account_ro_block_groups_free_space()
5682 			       block_group->used) * factor;  in btrfs_account_ro_block_groups_free_space()
5684 		spin_unlock(&block_group->lock);  in btrfs_account_ro_block_groups_free_space()