vdo_get_partition(9)

✨ vdo_get_partition(9) ✨

okay so welcome to the Kernel API Manual bestie 🎀 this one is vdo_get_partition(9) and it's literally so simple you're gonna slay it.

---

💖 NAME 💖

vdo_get_partition — get a partition by id. that's it. that's the whole vibe 🦋

---

🌸 SYNOPSIS 🌸

int vdo_get_partition (struct layout *layout , enum partition_id id ,
struct partition **partition_ptr );

like look at her. three little args. iconic 👑

---

✨ ARGUMENTS ✨

• layout — the layout you're pulling the partition out of. your source of truth, your main character struct 💅
• id — the id of the partition. which one you want, bestie 🎯
• partition_ptr — a pointer to hold the partition. yes it's a pointer-to-a-pointer, no we're not scared, we're built different 🫶

---

🔥 RETURN 🔥

VDO_SUCCESS or an error. no cap, that's the whole list 😭 check your return value fr fr.

---

🧚 SEE ALSO 🧚

Kernel file ./drivers/md/dm-vdo/encodings.c — and now the extended universe, because this function has friends:

• validate_version(9)
• vdo_validate_header(9)
• decode_volume_geometry(9)
• vdo_encode_volume_geometry(9)
• vdo_parse_geometry_block(9)
• vdo_compute_new_forest_pages(9)
• encode_recovery_journal_state_7_0(9)
• decode_recovery_journal_state_7_0(9)
• vdo_get_journal_operation_name(9)
• encode_slab_depot_state_2_0(9)
• decode_slab_depot_state_2_0(9)
• vdo_configure_slab_depot(9)
• vdo_configure_slab(9)
• vdo_decode_slab_journal_entry(9)
• allocate_partition(9)
• make_partition(9)
• vdo_initialize_layout(9)
• vdo_uninitialize_layout(9)
• vdo_get_known_partition(9)
• pack_vdo_config(9)
• pack_vdo_component(9)
• unpack_vdo_config(9)
• unpack_vdo_component_41_0(9)
• decode_vdo_component(9)
• vdo_validate_config(9)
• vdo_destroy_component_states(9)
• decode_components(9)
• vdo_decode_component_states(9)
• vdo_validate_component_states(9)
• vdo_encode_component_states(9)
• vdo_encode_super_block(9)
• vdo_decode_super_block(9)
• vdo_initialize_component_states(9)
• vdo_compute_index_blocks(9)
• vdo_initialize_volume_geometry(9)

bestie that's a lot of cross-references but we read all of them. every single one. no skipping 💀

---

okay that's the whole page, you ate that 🍓 go get your partition. mwah 💜

— sign-off: this masterpiece lives in ./drivers/md/dm-vdo, dated October 2026, and it's filed under vdo_get_partition(9) in case you need to find her again 💖✨