hash_data_vio(9)

💖 hash_data_vio(9) — Kernel API Manual 💖

okay bestie, welcome to the hash_data_vio page, straight out of the Kernel API Manual ✨ this one's short and sweet, so let's get into it 🫶

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🌸 NAME 🌸

hash_data_vio — hashes the data inside a data_vio and sets the hash zone, which — plot twist — also flags the record name as set 👑 periodt.

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✨ SYNOPSIS ✨

void hash_data_vio (struct vdo_completion *completion );

that's it. that's the whole signature. no cap 💅

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🎀 ARGUMENTS 🎀

• completion — the data_vio. that's the entire description, she's minimal and she knows it 🦋

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🌈 DESCRIPTION 🌈

This callback is registered in prepare_for_dedupe — so like, that's where she gets her invite to the party 🎉 no extra lore given, and we're not gonna invent any, iykyk 💀

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💜 SEE ALSO 💜

a whole group chat of friends, fr fr — go say hi:

• 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)
• finish_cleanup(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)
• 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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💀 reminder: every one of these is listed exactly as-is, so if you need the real deal, go read them, not my vibes.

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and that's the page, bestie — mwah 💋

cute little sign-off time 🎀 this one lives in ./drivers/md/dm-vdo, dated October 2026, and she's filed under hash_data_vio(9) 🦋 love that for her 🌸