handle_supe...k_save_error(9)
πΎ handle_super_block_save_error(9) πΎ
okay so bestie, welcome to the Kernel API Manual β this lil page is all about handle_super_block_save_error(9), and honestly? she's a tiny function with a big job. let's get into it π«Ά
β¨ NAME β¨
handle_super_block_save_error β logs a super block save error. that's it, that's the whole vibe. she sees a problem and she writes it down. iconic behavior tbh π
πΈ SYNOPSIS πΈ
void handle_super_block_save_error (struct vdo_completion *completion );
no return value, no drama, just vibes and a pointer. periodt π
π ARGUMENTS π
completionβ the super block vio. that's the thing being passed in, that's the thing she's looking at. no cap, that's the whole argument list π¦
π₯ DESCRIPTION π₯
so the way this works: this error handler is registered in vdo_save_components. that's the connection, that's the lore, that's the iykyk β¨ lowkey the entire description and she's not gonna elaborate further β the registration is the whole story here π
ngl bestie, this page is short and she knows it. but every detail is here, so we're slaying π
π SEE ALSO π
the full squad, in order, no one left out:
- 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)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_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)
that's 58 whole references, and yes we listed every single one because we don't do half-finished reading lists around here ππ
and that's the page, bestie!! this little cutie lives in ./drivers/md/dm-vdo and the version we're looking at is dated October 2026. go forth and log those errors, mwah πππ¦
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms