write_super..._for_suspend(9)

💾 write_super..._for_suspend(9) — Kernel API Manual

okay bestie, welcome to the Kernel API Manual, page write_super..._for_suspend(9) 🎀 like yes the title is abridged with dots, that's just how the man page header rolls, don't come for her 💅

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✨ NAME ✨

write_super_block_for_suspend — updates the VDO state and saves the super block 💖 that's it, that's the whole job, and she does it flawlessly, periodt.

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🌸 SYNOPSIS 🌸

void write_super_block_for_suspend (struct vdo_completion *completion );

no return value, she just goes and does the thing 🦋 (void, so like, don't expect anything back, she's not that kind of function).

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🎀 ARGUMENTS 🎀

• completion — the admin completion 🫶 yes bestie, it's the admin completion, that's the whole vibe check on this one.

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👑 SEE ALSO 👑

the kernel file lives at ./drivers/md/dm-vdo/dm-vdo-target.c — go read it, iykyk 📂 and here's the whole friend group, no cap, every single one:

• 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)
• suspend_callback(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)

like, that's a whole roster, she's got connections everywhere 🌈✨

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💀 reminder bestie: write_super_block_for_suspend(9) and write_super_block_for_resume(9) are two different girls, don't mix them up 🙈

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and that's the page!! mwah 💜 this lil gem ships from ./drivers/md/dm-vdo and it's dated October 2026 — go forth and suspend responsibly, ily, bye 🧚‍♀️🍓