vdo_make_hash_zones(9)

👑 vdo_make_hash_zones — a Kernel API Manual moment (section 9, bestie)

okay so picture this: it's a vdo_make_hash_zones(9) kind of day and you're holding the manual page that tells you how to create the hash zones. that's it, that's the whole vibe. no cap. 💅

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✨ NAME ✨

vdo_make_hash_zones — literally the function that creates the hash zones. main character energy fr fr 🎀

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🦋 SYNOPSIS 🦋

int vdo_make_hash_zones (struct vdo *vdo , struct hash_zones **zones_ptr
);

that's the whole signature, copy it exactly, don't be weird about it 💖

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🌸 ARGUMENTS 🌸

• vdo — the vdo that the zone is gonna belong to 🫶 like, this is its home, its people, its whole situation.
• zones_ptr — a pointer that's gonna hold the zones. you hand it over and it gets filled in. it's giving "empty cup, ready for the tea." 🍓

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⭐ RETURN ⭐

VDO_SUCCESS on the good path, or an error code if the universe said no 😭🔥

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💜 SEE ALSO 💜

okay bestie, this list is long and i'm obsessed with it — every single one of these, no skipping, iykyk:

• Kernel file ./drivers/md/dm-vdo/dedupe.c Introduction(9)
• return_hash_lock_to_pool(9)
• vdo_get_duplicate_lock(9)
• hash_lock_key(9)
• get_hash_lock_state_name(9)
• assert_hash_lock_agent(9)
• set_duplicate_lock(9)
• dequeue_lock_waiter(9)
• set_hash_lock(9)
• exit_hash_lock(9)
• set_duplicate_location(9)
• retire_lock_agent(9)
• wait_on_hash_lock(9)
• abort_waiter(9)
• start_bypassing(9)
• finish_unlocking(9)
• unlock_duplicate_pbn(9)
• start_unlocking(9)
• finish_updating(9)
• start_updating(9)
• finish_deduping(9)
• acquire_lock(9)
• enter_forked_lock(9)
• fork_hash_lock(9)
• launch_dedupe(9)
• start_deduping(9)
• increment_stat(9)
• finish_verifying(9)
• start_verifying(9)
• finish_locking(9)
• lock_duplicate_pbn(9)
• start_locking(9)
• finish_writing(9)
• select_writing_agent(9)
• start_writing(9)
• finish_querying(9)
• start_querying(9)
• report_bogus_lock_state(9)
• vdo_continue_hash_lock(9)
• is_hash_collision(9)
• vdo_acquire_hash_lock(9)
• vdo_release_hash_lock(9)
• transfer_allocation_lock(9)
• vdo_share_compressed_write_lock(9)
• report_dedupe_timeouts(9)
• finish_index_operation(9)
• check_for_drain_complete(9)
• vdo_free_hash_zones(9)
• suspend_index(9)
• resume_index(9)
• vdo_resume_hash_zones(9)
• get_hash_zone_statistics(9)
• vdo_get_dedupe_statistics(9)
• vdo_select_hash_zone(9)
• dump_hash_lock(9)
• dump_hash_zone(9)
• vdo_dump_hash_zones(9)
• acquire_context(9)

that's fifty-eight (58) references and i counted them and i love that for us 💀✨

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ok that's the whole page!! go forth and make some hash zones, bestie 🧚‍♀️

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and a little sign-off for the credits, because we always credit the source: this one lives in ./drivers/md/dm-vdo, dated October 2026, and it's filed under vdo_make_hash_zones(9). periodt 💖👑