893 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in get_extent_allocation_hint()  local
897 	read_lock(&em_tree->lock);  in get_extent_allocation_hint()
898 	em = search_extent_mapping(em_tree, start, num_bytes);  in get_extent_allocation_hint()
907 			em = search_extent_mapping(em_tree, 0, 0);  in get_extent_allocation_hint()
917 	read_unlock(&em_tree->lock);  in get_extent_allocation_hint()
4999 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_cont_expand()  local
5074 				write_lock(&em_tree->lock);  in btrfs_cont_expand()
5075 				err = add_extent_mapping(em_tree, hole_em, 1);  in btrfs_cont_expand()
5076 				write_unlock(&em_tree->lock);  in btrfs_cont_expand()
6797 	struct extent_map_tree *em_tree = &inode->extent_tree;  in btrfs_get_extent()  local
6801 	read_lock(&em_tree->lock);  in btrfs_get_extent()
6802 	em = lookup_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6805 	read_unlock(&em_tree->lock);  in btrfs_get_extent()
6984 	write_lock(&em_tree->lock);  in btrfs_get_extent()
6985 	err = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);  in btrfs_get_extent()
6986 	write_unlock(&em_tree->lock);  in btrfs_get_extent()
7425 	struct extent_map_tree *em_tree;  in create_io_em()  local
7435 	em_tree = &BTRFS_I(inode)->extent_tree;  in create_io_em()
7460 		write_lock(&em_tree->lock);  in create_io_em()
7461 		ret = add_extent_mapping(em_tree, em, 1);  in create_io_em()
7462 		write_unlock(&em_tree->lock);  in create_io_em()
10227 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in __btrfs_prealloc_file_range()  local
10305 			write_lock(&em_tree->lock);  in __btrfs_prealloc_file_range()
10306 			ret = add_extent_mapping(em_tree, em, 1);  in __btrfs_prealloc_file_range()
10307 			write_unlock(&em_tree->lock);  in __btrfs_prealloc_file_range()