vdo_release_page_completion(9)

💅 vdo_release_page_completion(9) 💅

okay bestie, welcome to the Kernel API Manual entry for vdo_release_page_completion(9) — manual name folded in right here like a little label on a hoodie. This page is short but it’s giving “tiny release moment with main character energy” ✨

✨ NAME ✨

vdo_release_page_completion — Release a VDO Page Completion. 🫶

🌸 SYNOPSIS 🌸

void vdo_release_page_completion (struct vdo_completion *completion );

🎀 ARGUMENTS 🎀

• completion — The page completion to release. hand it over and let it go 💅

🦋 DESCRIPTION 🦋

okay so here’s the tea: the page referenced by this completion — if any — will no longer be held busy by this completion anymore. no cap. 🫶

and if a page becomes discardable and there are completions awaiting free pages, then a new round of page discarding is started. periodt. 💅

💜 SEE ALSO 💜

The kernel file is ./drivers/md/dm-vdo/block-map.c, and the whole reference squad is: 🌈

• Block map eras(9)
• initialize_info(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_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)

mwah 💋 — this page is from ./drivers/md/dm-vdo, dated October 2026, and it’s literally the vdo_release_page_completion(9) manual page. byeee 🫶