suspend_callback(9)

🎀 NAME 🎀

suspend_callback — bestie, this is the callback that kicks off a suspend, and it's registered inside vdo_postsuspend(). that's it, that's the whole vibe 💅

✨ SYNOPSIS ✨

void suspend_callback (struct vdo_completion *completion );

ok so it returns nothing (void, iconic, does not owe you a return value) and it takes exactly one thing 🫶

🌸 ARGUMENTS 🌸

• completion — the sub-task completion. that's the one and only thing you hand it, no cap 💖

🦋 SEE ALSO 🦋

the whole friend group, gathered in the kernel file ./drivers/md/dm-vdo/dm-vdo-target.c — literally the group chat of dm-vdo functions, and yes you're gonna read all of them:

• free_device_config(9)
• get_version_number(9)
• parse_bool(9)
• parse_memory(9)
• parse_slab_size(9)
• process_one_thread_config_spec(9)
• parse_one_thread_config_spec(9)
• parse_thread_config_string(9)
• process_one_key_value_pair(9)
• parse_one_key_value_pair(9)
• parse_key_value_pairs(9)
• parse_optional_arguments(9)
• handle_parse_error(9)
• parse_device_config(9)
• get_thread_id_for_phase(9)
• advance_phase(9)
• finish_operation_callback(9)
• decode_from_super_block(9)
• decode_vdo(9)
• pre_load_callback(9)
• get_bit_array_size(9)
• grow_bit_array(9)
• allocate_instance(9)
• check_may_grow_physical(9)
• grow_layout(9)
• validate_new_device_config(9)
• write_super_block_for_suspend(9)
• was_new(9)
• requires_repair(9)
• get_load_type(9)
• load_callback(9)
• handle_load_error(9)
• write_super_block_for_resume(9)
• resume_callback(9)
• grow_logical_callback(9)
• handle_logical_growth_error(9)
• perform_grow_logical(9)
• copy_partition(9)
• grow_physical_callback(9)
• handle_physical_growth_error(9)
• perform_grow_physical(9)
• apply_new_vdo_configuration(9)

ngl that's a lot of cross-references. drink some water before you start, bestie 🍓

that's the whole page, bestie — no notes, she ate and left no crumbs 👑 this lil slice of the Kernel API Manual lives under the source/version path ./drivers/md/dm-vdo and is dated October 2026, so like… future icon behavior fr fr 💜🦋