finish_cleanup(9)

✨ finish_cleanup(9) ✨

okay so picture this: it's a page from the Kernel API Manual, and it's called finish_cleanup — yes bestie, the whole thing is about what happens when a data_vio is done done cleaning up. like, cleanup is finished, cleanup of the cleanup, we're wrapping the wrap-up. 🎀

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🌸 NAME 🌸

finish_cleanup — makes some assertions about a data_vio which has finished cleaning up. that's literally it, that's the whole job description, and honestly? iconic. 💅

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🦋 SYNOPSIS 🦋

void finish_cleanup (struct data_vio *data_vio );

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💖 ARGUMENTS 💖

• data_vio — the data_vio. that's the argument, that's the whole argument, no cap. one (1) data_vio, and it's this one.

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✨ DESCRIPTION ✨

okay so here's the tea 🍵 — if this data_vio is part of a multi-block discard, it starts on the next block. and if it's not? it returns it to the pool. that's the vibe check, that's the whole branch, we love a two-path function that knows exactly what it's about. 🌈

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👑 SEE ALSO 👑

the whole friend group, gathered for you, in order, no one left out 🫶:

• Kernel file ./drivers/md/dm-vdo/data-vio.c
• Bio flags.(9)
• Introduction(9)
• check_for_drain_complete_locked(9)
• pack_status(9)
• set_data_vio_compression_status(9)
• cancel_data_vio_compression(9)
• attempt_logical_block_lock(9)
• launch_data_vio(9)
• schedule_releases(9)
• process_release_callback(9)
• initialize_data_vio(9)
• make_data_vio_pool(9)
• free_data_vio_pool(9)
• vdo_launch_bio(9)
• drain_data_vio_pool(9)
• resume_data_vio_pool(9)
• dump_data_vio_pool(9)
• release_allocated_lock(9)
• release_logical_lock(9)
• get_data_vio_operation_name(9)
• data_vio_allocate_data_block(9)
• release_data_vio_allocation_lock(9)
• uncompress_data_vio(9)
• modify_for_partial_write(9)
• read_block(9)
• update_block_map(9)
• read_old_block_mapping(9)
• pack_compressed_data(9)
• compress_data_vio(9)
• launch_compress_data_vio(9)
• hash_data_vio(9)
• write_bio_finished(9)
• acknowledge_write_callback(9)
• allocate_block(9)
• handle_allocation_error(9)
• continue_data_vio_with_block_map_slot(9)

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lowkey a moment of appreciation for the kernel docs bestie, they really said "here's every single related function, you're welcome" 🧚💜

okay that's the page!! this one came to you from ./drivers/md/dm-vdo, dated October 2026 — write it down, cite it in your essay, slay the day. 💀⭐🍓