vdo_unpack_...ournal_entry(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… vdo_unpack_slab_journal_entry β€” a lil' NAME moment ✨

okay bestie, quick vibe check: vdo_unpack_slab_journal_entry is the function that decodes the packed representation of a slab journal entry. that's it. that's the whole thing. it takes the squished-up version and gives you the real one back. iconic behaviour honestly πŸŽ€

this page lives in the Kernel API Manual, bestie β€” you're in kernel-land now, adjust your aura accordingly πŸ‘‘


✨ SYNOPSIS ✨

struct slab_journal_entry vdo_unpack_slab_journal_entry (const
packed_slab_journal_entry *packed );

like, literally just hand it the packed thing and it hands you back the struct. no drama, no notes. 🫢


🧚 ARGUMENTS 🧚

  • packed β€” the packed entry you want decoded, bestie. it's the little compressed cutie that this function is gonna unpack for you. hand it over πŸ’–

πŸ¦‹ RETURN πŸ¦‹

the decoded slab journal entry. that's the whole return value β€” a struct slab_journal_entry, all unpacked and ready to be perceived. ate and left no crumbs πŸ”₯


🌈 SEE ALSO 🌈

buckle up bestie, this list is long β€” but every single one of these is a real one and they're all here, no cap πŸ’€

  • Kernel file ./drivers/md/dm-vdo/encodings.h
  • Block map entries(9)
  • vdo_are_same_version(9)
  • vdo_pack_version_number(9)
  • vdo_unpack_version_number(9)
  • vdo_pack_header(9)
  • vdo_unpack_header(9)
  • vdo_get_index_region_start(9)
  • vdo_get_data_region_start(9)
  • vdo_get_index_region_size(9)
  • vdo_pack_recovery_journal_entry(9)
  • vdo_unpack_recovery_journal_entry(9)
  • vdo_is_valid_recovery_journal_sector(9)
  • vdo_compute_recovery_journal_block_number(9)
  • vdo_get_journal_block_sector(9)
  • vdo_pack_recovery_block_header(9)
  • vdo_unpack_recovery_block_header(9)
  • vdo_compute_slab_count(9)
  • vdo_get_saved_reference_count_size(9)
  • vdo_get_slab_journal_start_block(9)
  • vdo_advance_journal_point(9)
  • vdo_before_journal_point(9)
  • vdo_pack_journal_point(9)
  • vdo_unpack_journal_point(9)
  • vdo_pack_slab_journal_block_header(9)
  • vdo_unpack_slab_journal_block_header(9)
  • vdo_pack_slab_journal_entry(9)
  • vdo_get_slab_summary_hint_shift(9)
ngl if you read all of those in one sitting you deserve a little treat. go get a snack, you've earned it πŸ“

πŸ’œ sign-off πŸ’œ

this masterpiece of a manual page came from ./drivers/md/dm-vdo and it's stamped October 2026. yes, the October 2026 β€” future-era documentation, main character energy fr fr. mwah, go unpack something πŸŒΈπŸ’…

periodt.

πŸ“¦ where this page comes from