struct writeback_control;
struct extent_io_tree;
struct extent_map_tree;
+struct extent_state;
struct btrfs_block_group;
struct btrfs_fs_info;
struct btrfs_inode;
void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
void extent_clear_unlock_delalloc(struct btrfs_inode *inode, u64 start, u64 end,
struct page *locked_page,
+ struct extent_state **cached,
u32 bits_to_clear, unsigned long page_ops);
int extent_invalidate_folio(struct extent_io_tree *tree,
struct folio *folio, size_t offset);