889 			     u64 group_start, struct extent_map *em)  in btrfs_remove_block_group()  argument
1147 		remove_extent_mapping(em_tree, em);  in btrfs_remove_block_group()
1150 		free_extent_map(em);  in btrfs_remove_block_group()
1166 	struct extent_map *em;  in btrfs_start_trans_remove_block_group()  local
1171 	em = lookup_extent_mapping(em_tree, chunk_offset, 1);  in btrfs_start_trans_remove_block_group()
1173 	ASSERT(em && em->start == chunk_offset);  in btrfs_start_trans_remove_block_group()
1194 	map = em->map_lookup;  in btrfs_start_trans_remove_block_group()
1196 	free_extent_map(em);  in btrfs_start_trans_remove_block_group()
1533 	struct extent_map *em;  in read_bg_from_eb()  local
1545 	em = lookup_extent_mapping(em_tree, key->objectid, key->offset);  in read_bg_from_eb()
1547 	if (!em) {  in read_bg_from_eb()
1554 	if (em->start != key->objectid || em->len != key->offset) {  in read_bg_from_eb()
1557 			key->objectid, key->offset, em->start, em->len);  in read_bg_from_eb()
1567 	if (flags != (em->map_lookup->type & BTRFS_BLOCK_GROUP_TYPE_MASK)) {  in read_bg_from_eb()
1571 			  (BTRFS_BLOCK_GROUP_TYPE_MASK & em->map_lookup->type));  in read_bg_from_eb()
1576 	free_extent_map(em);  in read_bg_from_eb()
1650 	struct extent_map *em;  in btrfs_rmap_block()  local
1659 	em = btrfs_get_chunk_map(fs_info, chunk_start, 1);  in btrfs_rmap_block()
1660 	if (IS_ERR(em))  in btrfs_rmap_block()
1663 	map = em->map_lookup;  in btrfs_rmap_block()
1664 	data_stripe_length = em->orig_block_len;  in btrfs_rmap_block()
1719 	free_extent_map(em);  in btrfs_rmap_block()
1823 	struct extent_map *em;  in check_chunk_block_group_mappings()  local
1835 		em = lookup_extent_mapping(map_tree, start, 1);  in check_chunk_block_group_mappings()
1837 		if (!em)  in check_chunk_block_group_mappings()
1840 		bg = btrfs_lookup_block_group(fs_info, em->start);  in check_chunk_block_group_mappings()
1844 				     em->start, em->len);  in check_chunk_block_group_mappings()
1846 			free_extent_map(em);  in check_chunk_block_group_mappings()
1849 		if (bg->start != em->start || bg->length != em->len ||  in check_chunk_block_group_mappings()
1851 		    (em->map_lookup->type & BTRFS_BLOCK_GROUP_TYPE_MASK)) {  in check_chunk_block_group_mappings()
1854 				em->start, em->len,  in check_chunk_block_group_mappings()
1855 				em->map_lookup->type & BTRFS_BLOCK_GROUP_TYPE_MASK,  in check_chunk_block_group_mappings()
1859 			free_extent_map(em);  in check_chunk_block_group_mappings()
1863 		start = em->start + em->len;  in check_chunk_block_group_mappings()
1864 		free_extent_map(em);  in check_chunk_block_group_mappings()
3393 	struct extent_map *em;  in btrfs_unfreeze_block_group()  local
3404 		em = lookup_extent_mapping(em_tree, block_group->start,  in btrfs_unfreeze_block_group()
3406 		BUG_ON(!em); /* logic error, can't happen */  in btrfs_unfreeze_block_group()
3407 		remove_extent_mapping(em_tree, em);  in btrfs_unfreeze_block_group()
3411 		free_extent_map(em);  in btrfs_unfreeze_block_group()
3412 		free_extent_map(em);  in btrfs_unfreeze_block_group()