325 	struct extent_state *cached_state = NULL;  in find_lock_delalloc_range()  local
340 					  max_bytes, &cached_state);  in find_lock_delalloc_range()
346 		free_extent_state(cached_state);  in find_lock_delalloc_range()
372 		free_extent_state(cached_state);  in find_lock_delalloc_range()
373 		cached_state = NULL;  in find_lock_delalloc_range()
385 	lock_extent(tree, delalloc_start, delalloc_end, &cached_state);  in find_lock_delalloc_range()
389 			     EXTENT_DELALLOC, cached_state);  in find_lock_delalloc_range()
391 	unlock_extent(tree, delalloc_start, delalloc_end, &cached_state);  in find_lock_delalloc_range()
909 	struct extent_state *cached_state = NULL;  in __get_extent_map()  local
925 	btrfs_lock_and_flush_ordered_range(BTRFS_I(inode), start, start + len - 1, &cached_state);  in __get_extent_map()
932 	unlock_extent(&BTRFS_I(inode)->io_tree, start, start + len - 1, &cached_state);  in __get_extent_map()
2291 	struct extent_state *cached_state = NULL;  in extent_invalidate_folio()  local
2303 	lock_extent(tree, start, end, &cached_state);  in extent_invalidate_folio()
2311 	unlock_extent(tree, start, end, &cached_state);  in extent_invalidate_folio()