initialize_info(9)

✨ initialize_info(9) ✨

okay bestie, welcome to the Kernel API Manual — today we're doing initialize_info, and it's giving “tiny but important” 💅. No cap, every detail is staying right here.

🌸 NAME 🌸

initialize_info — initialize all page info structures and put them on the free list 🫶.

🦋 SYNOPSIS 🦋

int initialize_info (struct vdo_page_cache *cache );

🎀 ARGUMENTS 🎀

• cache — the page cache. That's the argument, bestie 💖.

💖 RETURN 💖

It returns VDO_SUCCESS when everything's giving success ✨, or an error when it's not 😭.

🌈 SEE ALSO 🌈

The SEE ALSO squad is literally this whole group chat, no cap:

• Kernel file ./drivers/md/dm-vdo/block-map.c
• Block map eras(9)
• allocate_cache_components(9)
• assert_on_cache_thread(9)
• get_page_state_name(9)
• update_counter(9)
• set_info_state(9)
• find_free_page(9)
• find_page(9)
• select_lru_page(9)
• complete_with_page(9)
• complete_waiter_with_error(9)
• complete_waiter_with_page(9)
• distribute_page_over_waitq(9)
• set_persistent_error(9)
• validate_completed_page(9)
• handle_load_error(9)
• page_is_loaded(9)
• handle_rebuild_read_error(9)
• launch_page_load(9)
• schedule_page_save(9)
• launch_page_save(9)
• completion_needs_page(9)
• allocate_free_page(9)
• discard_a_page(9)
• discard_page_if_needed(9)
• write_has_finished(9)
• handle_page_write_error(9)
• page_is_written_out(9)
• write_pages(9)
• vdo_release_page_completion(9)
• vdo_get_page(9)
• vdo_request_page_write(9)
• vdo_get_cached_page(9)
• vdo_invalidate_page_cache(9)
• get_tree_page_by_index(9)
• in_cyclic_range(9)
• is_not_older(9)
• add_to_dirty_lists(9)
• vdo_find_block_map_slot(9)
• make_forest(9)
• replace_forest(9)
• finish_cursor(9)
• continue_traversal(9)
• finish_traversal_load(9)
• traverse(9)
• launch_cursor(9)
• compute_boundary(9)
• vdo_traverse_forest(9)
• initialize_block_map_zone(9)
• clear_mapped_location(9)
• set_mapped_location(9)

Source/version check, bestie: ./drivers/md/dm-vdo, October 2026, all about initialize_info(9) — mwah 💋✨