vdo_dump_status(9)

💅 vdo_dump_status — a Kernel API Manual moment

okay bestie, welcome to the Kernel API Manual, section 9, page vdo_dump_status. yes we're in the kernel-API-manual girlie era and honestly? iconic. let's get into it 🎀

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✨ NAME ✨

vdo_dump_status — dumps status information about a vdo to the log, for debugging. that's the whole vibe: it's a debugging dump, so it's giving "let me spill everything to the log so you can figure out what's wrong" 🔍💖

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🦋 SYNOPSIS 🦋

void vdo_dump_status (const struct vdo *vdo );

no cap, that's it. returns void, so like… it returns nothing, it's not here to give you a value, it's here to say things. periodt.

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🌸 ARGUMENTS 🌸

• vdo — the vdo you wanna dump. that's the one, that's the main character. 👑

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🫶 SEE ALSO 🫶

okay so this list is long long and we are NOT skipping a single one of these, because every single reference ate and left no crumbs. here we go, in order, exactly as listed:

Kernel file ./drivers/md/dm-vdo/vdo.c — plus Introduction(9), and then, deep breath:

• vdo_initialize_device_registry_once(9)
• filter_vdos_locked(9)
• vdo_find_matching(9)
• initialize_thread_config(9)
• get_thread_name(9)
• vdo_make_thread(9)
• register_vdo(9)
• vdo_format(9)
• initialize_vdo(9)
• vdo_make(9)
• free_listeners(9)
• unregister_vdo(9)
• vdo_destroy(9)
• finish_reading_super_block(9)
• handle_super_block_read_error(9)
• vdo_load_super_block(9)
• vdo_get_backing_device(9)
• vdo_get_device_name(9)
• vdo_synchronous_flush(9)
• vdo_get_state(9)
• vdo_set_state(9)
• vdo_get_admin_state(9)
• record_vdo(9)
• continue_parent(9)
• handle_geometry_block_save_error(9)
• vdo_save_geometry_block(9)
• handle_super_block_save_error(9)
• vdo_save_super_block(9)
• vdo_save_components(9)
• vdo_register_read_only_listener(9)
• notify_vdo_of_read_only_mode(9)
• vdo_enable_read_only_entry(9)
• vdo_wait_until_not_entering_read_only_mode(9)
• as_notifier(9)
• finish_entering_read_only_mode(9)
• make_thread_read_only(9)
• vdo_allow_read_only_mode_entry(9)
• vdo_enter_read_only_mode(9)
• vdo_is_read_only(9)
• vdo_in_read_only_mode(9)
• vdo_in_recovery_mode(9)
• vdo_enter_recovery_mode(9)
• complete_synchronous_action(9)
• perform_synchronous_action(9)
• set_compression_callback(9)
• vdo_set_compressing(9)
• vdo_get_compressing(9)
• vdo_get_physical_blocks_allocated(9)
• vdo_get_physical_blocks_overhead(9)
• get_vdo_statistics(9)
• vdo_fetch_statistics_callback(9)
• vdo_fetch_statistics(9)
• vdo_get_callback_thread_id(9)
• vdo_assert_on_admin_thread(9)
• vdo_assert_on_logical_zone_thread(9)
• vdo_assert_on_physical_zone_thread(9)
• vdo_get_physical_zone(9)

like… the whole friend group showed up to the function's birthday party 😭💀 and we love that for them.

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💡 friendly reminder: this page lives in ./drivers/md/dm-vdo and it says October 2026 — so when you're citing it, cite it cute. 🌈

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and that's the page, bestie — go dump some status and slay 💅✨

signed off with love from ./drivers/md/dm-vdo, October 2026 🎀🦋💖