922 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in get_extent_allocation_hint()  local
926 	read_lock(&em_tree->lock);  in get_extent_allocation_hint()
927 	em = search_extent_mapping(em_tree, start, num_bytes);  in get_extent_allocation_hint()
936 			em = search_extent_mapping(em_tree, 0, 0);  in get_extent_allocation_hint()
946 	read_unlock(&em_tree->lock);  in get_extent_allocation_hint()
5099 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_cont_expand()  local
5161 				write_lock(&em_tree->lock);  in btrfs_cont_expand()
5162 				err = add_extent_mapping(em_tree, hole_em, 1);  in btrfs_cont_expand()
5163 				write_unlock(&em_tree->lock);  in btrfs_cont_expand()
6928 	struct extent_map_tree *em_tree = &inode->extent_tree;  in btrfs_get_extent()  local
6932 	read_lock(&em_tree->lock);  in btrfs_get_extent()
6933 	em = lookup_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6936 	read_unlock(&em_tree->lock);  in btrfs_get_extent()
7125 	write_lock(&em_tree->lock);  in btrfs_get_extent()
7126 	err = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);  in btrfs_get_extent()
7127 	write_unlock(&em_tree->lock);  in btrfs_get_extent()
7568 	struct extent_map_tree *em_tree;  in create_io_em()  local
7578 	em_tree = &BTRFS_I(inode)->extent_tree;  in create_io_em()
7603 		write_lock(&em_tree->lock);  in create_io_em()
7604 		ret = add_extent_mapping(em_tree, em, 1);  in create_io_em()
7605 		write_unlock(&em_tree->lock);  in create_io_em()
10380 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in __btrfs_prealloc_file_range()  local
10458 			write_lock(&em_tree->lock);  in __btrfs_prealloc_file_range()
10459 			ret = add_extent_mapping(em_tree, em, 1);  in __btrfs_prealloc_file_range()
10460 			write_unlock(&em_tree->lock);  in __btrfs_prealloc_file_range()