vdo_make_physical_zones(9)

💖 vdo_make_physical_zones — kernel API manual, but make it a vibe ✨

okay so bestie, welcome to the vdo_make_physical_zones(9) page 💅 this is a Kernel API Manual entry and honestly? it's a little one, but it's important, so let's get into it 🎀

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🌸 NAME 🌸

vdo_make_physical_zones — literally the function that makes the physical zones for a vdo 🦋

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✨ SYNOPSIS ✨

int vdo_make_physical_zones (struct vdo *vdo , struct physical_zones
**zones_ptr );

that's it, that's the whole signature, no cap 🔥

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🫶 ARGUMENTS 🫶

• vdo — the vdo being constructed. like, the vdo-in-progress, the main character under construction 👑
• zones_ptr — a pointer to hold the zones. that's where the zones go, it's giving "here's a spot for your zones" 🎀

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💜 RETURN 💜

VDO_SUCCESS or an error code. that's the whole deal — success, or an error code, periodt 💅

ngl bestie, if it's not VDO_SUCCESS you should probably check that error code, don't just ignore it 😭

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🌈 SEE ALSO 🌈

kernel file ./drivers/md/dm-vdo/physical-zone.c 💖 and all these friends:

• vdo_is_pbn_read_lock(9)
• vdo_downgrade_pbn_write_lock(9)
• vdo_claim_pbn_lock_increment(9)
• vdo_assign_pbn_lock_provisional_reference(9)
• vdo_unassign_pbn_lock_provisional_reference(9)
• release_pbn_lock_provisional_reference(9)
• union idle_pbn_lock(9)
• struct pbn_lock_pool(9)
• return_pbn_lock_to_pool(9)
• make_pbn_lock_pool(9)
• free_pbn_lock_pool(9)
• borrow_pbn_lock_from_pool(9)
• initialize_zone(9)
• vdo_free_physical_zones(9)
• vdo_get_physical_zone_pbn_lock(9)
• vdo_attempt_physical_zone_pbn_lock(9)
• allocate_and_lock_block(9)
• retry_allocation(9)
• continue_allocating(9)
• vdo_allocate_block_in_zone(9)
• vdo_release_physical_zone_pbn_lock(9)
• vdo_dump_physical_zone(9)

like, go read those too, iykyk 🧚

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okay bye bestie, mwah 💋 this page lives in ./drivers/md/dm-vdo, it's October 2026, and it comes to you from the vdo_make_physical_zones(9) manual — slay, go make some zones 🍓✨