vdo_enable_read_only_entry(9)

🎀 NAME 🎀

okay so bestie, this is the Kernel API Manual page for vdo_enable_read_only_entry(9), and it is literally here to:

• vdo_enable_read_only_entry — enable a vdo to enter read-only mode on errors. 💅✨

---

✨ SYNOPSIS ✨

int vdo_enable_read_only_entry (struct vdo *vdo );

no cap, that's the whole signature, copy it exactly and we move 💖

---

💖 ARGUMENTS 💖

• vdo — the vdo to enable. this is the main character getting the read-only-on-errors glow-up 🫶

---

🦋 RETURN 🦋

VDO_SUCCESS or an error. that's it, that's the vibe check 🌸

---

🌈 SEE ALSO 🌈

the whole cross-reference friend group is here, every single one, no skips, no crumbs left behind 👑

• Kernel file ./drivers/md/dm-vdo/vdo.c Introduction(9)
• 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_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_dump_status(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)

---

signed, sealed, and delivered from the Kernel API Manual, source ./drivers/md/dm-vdo, dated October 2026 — vdo_enable_read_only_entry(9) out, mwah 💋💖✨