1609 	struct extent_map_tree *em_tree;  in find_next_chunk()  local
1614 	em_tree = &fs_info->mapping_tree.map_tree;  in find_next_chunk()
1615 	read_lock(&em_tree->lock);  in find_next_chunk()
1616 	n = rb_last(&em_tree->map);  in find_next_chunk()
1621 	read_unlock(&em_tree->lock);  in find_next_chunk()
2712 	struct extent_map_tree *em_tree;  in get_chunk_map()  local
2715 	em_tree = &fs_info->mapping_tree.map_tree;  in get_chunk_map()
2716 	read_lock(&em_tree->lock);  in get_chunk_map()
2717 	em = lookup_extent_mapping(em_tree, logical, length);  in get_chunk_map()
2718 	read_unlock(&em_tree->lock);  in get_chunk_map()
4585 	struct extent_map_tree *em_tree;  in __btrfs_alloc_chunk()  local
4822 	em_tree = &info->mapping_tree.map_tree;  in __btrfs_alloc_chunk()
4823 	write_lock(&em_tree->lock);  in __btrfs_alloc_chunk()
4824 	ret = add_extent_mapping(em_tree, em, 0);  in __btrfs_alloc_chunk()
4826 		write_unlock(&em_tree->lock);  in __btrfs_alloc_chunk()
4833 	write_unlock(&em_tree->lock);  in __btrfs_alloc_chunk()
4853 	write_lock(&em_tree->lock);  in __btrfs_alloc_chunk()
4854 	remove_extent_mapping(em_tree, em);  in __btrfs_alloc_chunk()
4855 	write_unlock(&em_tree->lock);  in __btrfs_alloc_chunk()
7376 	struct extent_map_tree *em_tree = &fs_info->mapping_tree.map_tree;  in verify_one_dev_extent()  local
7384 	read_lock(&em_tree->lock);  in verify_one_dev_extent()
7385 	em = lookup_extent_mapping(em_tree, chunk_offset, 1);  in verify_one_dev_extent()
7386 	read_unlock(&em_tree->lock);  in verify_one_dev_extent()
7435 	struct extent_map_tree *em_tree = &fs_info->mapping_tree.map_tree;  in verify_chunk_dev_extent_mapping()  local
7440 	read_lock(&em_tree->lock);  in verify_chunk_dev_extent_mapping()
7441 	for (node = rb_first(&em_tree->map); node; node = rb_next(node)) {  in verify_chunk_dev_extent_mapping()
7454 	read_unlock(&em_tree->lock);  in verify_chunk_dev_extent_mapping()