validate_re...ournal_entry(9)

💖 validate_recovery_journal_entry(9) 💖

ok so real talk, this is a page straight out of the Kernel API Manual — like, kernel-level, no cap — and it's about one (1) little function whose whole entire job is checking whether a recovery journal entry is valid or not. That's it. That's the vibe. Lowkey iconic of it. 🎀

---

✨ NAME ✨

validate_recovery_journal_entry — bestie, it validates a recovery journal entry. that's the whole thing. 🦋

---

🌸 SYNOPSIS 🌸

int validate_recovery_journal_entry (const struct vdo *vdo , const
       struct recovery_journal_entry *entry );

look at her go 😭 returns an int, takes two const pointers, very demure, very mindful.

---

🫶 ARGUMENTS 🫶

• vdo — the vdo. yes that's the whole description. she said "the vdo" and moved on, and honestly? main character energy. 💅
• entry — the entry we're validating. the one getting the vibe check. 🔍

---

⭐ RETURN ⭐

VDO_SUCCESS or an error. that's it, that's the range — either slay or nope. 🔥

---

🧚 SEE ALSO 🧚

• Kernel file ./drivers/md/dm-vdo/repair.c — this whole little family lives there, and ok here comes the full list, drink some water first bestie 💜
• as_repair_completion(9)
• abort_repair(9)
• abort_on_error(9)
• drain_slab_depot(9)
• flush_block_map_updates(9)
• handle_page_load_error(9)
• unmap_entry(9)
• remove_out_of_bounds_entries(9)
• process_slot(9)
• rebuild_reference_counts_from_page(9)
• page_loaded(9)
• fetch_page(9)
• rebuild_from_leaves(9)
• process_entry(9)
• advance_points(9)
• before_recovery_point(9)
• get_entry(9)
• add_slab_journal_entries(9)
• vdo_replay_into_slab_journals(9)
• find_entry_starting_next_page(9)
• get_recovery_journal_block_header(9)
• is_valid_recovery_journal_block(9)
• is_exact_recovery_journal_block(9)
• find_recovery_journal_head_and_tail(9)
• unpack_entry(9)
• append_sector_entries(9)
• extract_new_mappings(9)
• compute_usages(9)
• vdo_repair(9)

---

no cap: every single one of those is a real function, so if you're going down the dm-vdo repair rabbit hole, you've got company. bring snacks. 🍓

---

and that's the page, bestie!! 💖 source lives at ./drivers/md/dm-vdo, dated October 2026 — so like, future-core of it, we love to see it 👑✨🌈