3941 					   struct btrfs_block_group *bg, s64 diff)  in adjust_block_group_remap_bytes()  argument
3947 	spin_lock(&bg->lock);  in adjust_block_group_remap_bytes()
3948 	bg->remap_bytes += diff;  in adjust_block_group_remap_bytes()
3949 	if (bg->used == 0 && bg->remap_bytes == 0)  in adjust_block_group_remap_bytes()
3951 	spin_unlock(&bg->lock);  in adjust_block_group_remap_bytes()
3954 		btrfs_mark_bg_unused(bg);  in adjust_block_group_remap_bytes()
3957 	if (list_empty(&bg->dirty_list)) {  in adjust_block_group_remap_bytes()
3958 		list_add_tail(&bg->dirty_list, &trans->transaction->dirty_bgs);  in adjust_block_group_remap_bytes()
3960 		btrfs_get_block_group(bg);  in adjust_block_group_remap_bytes()
4151 			       struct btrfs_block_group *bg, u64 new_addr,  in move_existing_remap()  argument
4162 	const bool is_data = (bg->flags & BTRFS_BLOCK_GROUP_DATA);  in move_existing_remap()
4163 	struct btrfs_space_info *sinfo = bg->space_info;  in move_existing_remap()
4292 	adjust_block_group_remap_bytes(trans, bg, -dest_length);  in move_existing_remap()
4347 				struct btrfs_block_group *bg,  in move_existing_remaps()  argument
4357 	while (bg->remap_bytes > 0) {  in move_existing_remaps()
4358 		key.objectid = bg->start;  in move_existing_remaps()
4409 		ret = move_existing_remap(fs_info, path, bg, key.objectid,  in move_existing_remaps()
4415 	ASSERT(bg->remap_bytes == 0);  in move_existing_remaps()
4422 				     struct btrfs_block_group *bg)  in create_remap_tree_entries()  argument
4436 	mutex_lock(&bg->free_space_lock);  in create_remap_tree_entries()
4438 	if (test_bit(BLOCK_GROUP_FLAG_NEEDS_FREE_SPACE, &bg->runtime_flags)) {  in create_remap_tree_entries()
4439 		mutex_unlock(&bg->free_space_lock);  in create_remap_tree_entries()
4441 		ret = btrfs_add_block_group_free_space(trans, bg);  in create_remap_tree_entries()
4445 		mutex_lock(&bg->free_space_lock);  in create_remap_tree_entries()
4448 	fsi = btrfs_search_free_space_info(trans, bg, path, 0);  in create_remap_tree_entries()
4450 		mutex_unlock(&bg->free_space_lock);  in create_remap_tree_entries()
4460 		mutex_unlock(&bg->free_space_lock);  in create_remap_tree_entries()
4464 	key.objectid = bg->start;  in create_remap_tree_entries()
4468 	space_root = btrfs_free_space_root(bg);  in create_remap_tree_entries()
4472 		mutex_unlock(&bg->free_space_lock);  in create_remap_tree_entries()
4483 		if (found_key.objectid >= bg->start + bg->length)  in create_remap_tree_entries()
4511 					mutex_unlock(&bg->free_space_lock);  in create_remap_tree_entries()
4544 	mutex_unlock(&bg->free_space_lock);  in create_remap_tree_entries()
4556 		entries[num_entries].objectid = bg->start;  in create_remap_tree_entries()
4558 		entries[num_entries].offset = bg->length;  in create_remap_tree_entries()
4561 		if (space_runs[0].start > bg->start) {  in create_remap_tree_entries()
4562 			entries[num_entries].objectid = bg->start;  in create_remap_tree_entries()
4564 			entries[num_entries].offset = space_runs[0].start - bg->start;  in create_remap_tree_entries()
4576 		if (space_runs[num_space_runs - 1].end < bg->start + bg->length) {  in create_remap_tree_entries()
4581 				bg->start + bg->length - space_runs[num_space_runs - 1].end;  in create_remap_tree_entries()
4589 	bg->identity_remap_count = num_entries;  in create_remap_tree_entries()
4697 				   struct btrfs_block_group *bg)  in btrfs_last_identity_remap_gone()  argument
4699 	struct btrfs_fs_info *fs_info = bg->fs_info;  in btrfs_last_identity_remap_gone()
4714 	if (bg->flags & BTRFS_BLOCK_GROUP_DUP)  in btrfs_last_identity_remap_gone()
4744 	btrfs_remove_bg_from_sinfo(bg);  in btrfs_last_identity_remap_gone()
4746 	spin_lock(&bg->lock);  in btrfs_last_identity_remap_gone()
4747 	clear_bit(BLOCK_GROUP_FLAG_STRIPE_REMOVAL_PENDING, &bg->runtime_flags);  in btrfs_last_identity_remap_gone()
4748 	spin_unlock(&bg->lock);  in btrfs_last_identity_remap_gone()
4764 				        struct btrfs_block_group *bg, int delta)  in adjust_identity_remap_count()  argument
4770 	WARN_ON(delta < 0 && -delta > bg->identity_remap_count);  in adjust_identity_remap_count()
4772 	spin_lock(&bg->lock);  in adjust_identity_remap_count()
4774 	bg->identity_remap_count += delta;  in adjust_identity_remap_count()
4776 	if (bg->identity_remap_count == 0 &&  in adjust_identity_remap_count()
4777 	    !test_bit(BLOCK_GROUP_FLAG_FULLY_REMAPPED, &bg->runtime_flags)) {  in adjust_identity_remap_count()
4778 		set_bit(BLOCK_GROUP_FLAG_FULLY_REMAPPED, &bg->runtime_flags);  in adjust_identity_remap_count()
4782 	spin_unlock(&bg->lock);  in adjust_identity_remap_count()
4785 	if (list_empty(&bg->dirty_list)) {  in adjust_identity_remap_count()
4786 		list_add_tail(&bg->dirty_list, &trans->transaction->dirty_bgs);  in adjust_identity_remap_count()
4788 		btrfs_get_block_group(bg);  in adjust_identity_remap_count()
4797 		btrfs_mark_bg_fully_remapped(bg, trans);  in adjust_identity_remap_count()
5096 			  struct btrfs_block_group *bg)  in do_remap_reloc()  argument
5098 	u64 last_start = bg->start;  in do_remap_reloc()
5102 		ret = do_remap_reloc_trans(fs_info, bg, path, &last_start);  in do_remap_reloc()
5165 				       struct btrfs_block_group *bg)  in start_block_group_remapping()  argument
5171 	ret = btrfs_cache_block_group(bg, true);  in start_block_group_remapping()
5188 	if (bg->flags & BTRFS_BLOCK_GROUP_REMAPPED) {  in start_block_group_remapping()
5193 	ret = create_remap_tree_entries(trans, path, bg);  in start_block_group_remapping()
5199 	spin_lock(&bg->lock);  in start_block_group_remapping()
5200 	bg->flags |= BTRFS_BLOCK_GROUP_REMAPPED;  in start_block_group_remapping()
5201 	spin_unlock(&bg->lock);  in start_block_group_remapping()
5204 	if (list_empty(&bg->dirty_list)) {  in start_block_group_remapping()
5205 		list_add_tail(&bg->dirty_list, &trans->transaction->dirty_bgs);  in start_block_group_remapping()
5207 		btrfs_get_block_group(bg);  in start_block_group_remapping()
5215 	ret = mark_chunk_remapped(trans, path, bg->start);  in start_block_group_remapping()
5221 	ret = btrfs_remove_block_group_free_space(trans, bg);  in start_block_group_remapping()
5227 	btrfs_remove_free_space_cache(bg);  in start_block_group_remapping()
5296 	struct btrfs_block_group *bg;  in btrfs_relocate_block_group()  local
5317 	bg = btrfs_lookup_block_group(fs_info, group_start);  in btrfs_relocate_block_group()
5318 	if (!bg)  in btrfs_relocate_block_group()
5329 	if (bg->flags & BTRFS_BLOCK_GROUP_DATA)  in btrfs_relocate_block_group()
5332 	if (btrfs_pinned_by_swapfile(fs_info, bg)) {  in btrfs_relocate_block_group()
5333 		btrfs_put_block_group(bg);  in btrfs_relocate_block_group()
5339 		btrfs_put_block_group(bg);  in btrfs_relocate_block_group()
5348 	rc->block_group = bg;  in btrfs_relocate_block_group()
5391 	if (should_relocate_using_remap_tree(bg)) {  in btrfs_relocate_block_group()
5392 		if (bg->remap_bytes != 0) {  in btrfs_relocate_block_group()
5393 			ret = move_existing_remaps(fs_info, bg, path);  in btrfs_relocate_block_group()
5397 		ret = start_block_group_remapping(fs_info, path, bg);  in btrfs_relocate_block_group()
5418 	btrfs_put_block_group(bg);  in btrfs_relocate_block_group()
5890 					struct btrfs_block_group *bg,  in remove_range_from_remap_tree()  argument
5976 		adjust_identity_remap_count(trans, bg, identity_count_delta);  in remove_range_from_remap_tree()
6010 	struct btrfs_block_group *bg;  in btrfs_remove_extent_from_remap_tree()  local
6017 	bg = btrfs_lookup_block_group(fs_info, bytenr);  in btrfs_remove_extent_from_remap_tree()
6018 	if (!bg)  in btrfs_remove_extent_from_remap_tree()
6023 	if (!(bg->flags & BTRFS_BLOCK_GROUP_REMAPPED)) {  in btrfs_remove_extent_from_remap_tree()
6025 		btrfs_put_block_group(bg);  in btrfs_remove_extent_from_remap_tree()
6060 		length = remove_range_from_remap_tree(trans, path, bg, bytenr, num_bytes);  in btrfs_remove_extent_from_remap_tree()
6075 	btrfs_put_block_group(bg);  in btrfs_remove_extent_from_remap_tree()