decode_slab_depot_state_2_0(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸŽ€ decode_slab_depot_state_2_0(9) πŸŽ€

okay so real talk: this is the decode_slab_depot_state_2_0(9) page from the Kernel API Manual, and it's all about decoding the slab depot component state version 2.0 from a buffer. That's the NAME, and yes, it ate. πŸ’…


🌸 NAME 🌸

decode_slab_depot_state_2_0 β€” decode slab depot component state version 2.0 from a buffer. no cap, that's the whole assignment bestie πŸ’–


πŸŽ€ SYNOPSIS πŸŽ€

here's the exact signature β€” do not let the line break gaslight you, it's still one function:

int decode_slab_depot_state_2_0 (u8 *buffer , size_t *offset , struct
       slab_depot_state_2_0 *state );

slay. ✨


πŸ’… ARGUMENTS πŸ’…

the three arguments are lowkey simple:

  • buffer β€” the buffer being decoded. incoming data vibes, basically 🫢
  • offset β€” the offset to start decoding from. like, where do we begin? πŸ‘€
  • state β€” a pointer to a slab depot state to hold the decoded result. that's the lil container for the answer πŸŽ€

✨ RETURN ✨

return vibe check: it gives you VDO_SUCCESS or an error code. no in-between, bestie. error code means something went sideways, and we respect the honesty. 😭


πŸ¦‹ SEE ALSO πŸ¦‹

the kernel file listed here is ./drivers/md/dm-vdo/encodings.c, and the whole reference group chat is pulling up: 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), 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_partition(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). iconic list, honestly πŸ’œ


xoxo, your manual page πŸ’– β€” source/version: ./drivers/md/dm-vdo β€” date: October 2026 β€” page: decode_slab_depot_state_2_0(9) ✨

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