ecryptfs_gen...y_packet_set(9)

📦 version 7.3.1, in nixpkgs unstable

💅 ecryptfs_generate_key_packet_set(9) — the Kernel API Manual, but make it group chat

okay so bestie, this is a page from the Kernel API Manual (section 9, kernel land, we're literally in the source tree 🌳) and honestly? it's iconic. it's ecryptfs_generate_key_packet_set and no, the name is not a typo, the manpage header itself is out here with the ... in the middle, it's giving abridged-on-purpose, it's giving ellipsis main character energy ✨ iykyk.

✨ NAME ✨

ecryptfs_generate_key_packet_set — that's it, that's the name 🎀 (the page literally just drops the name and dips, no cap)

⭐ SYNOPSIS ⭐

int ecryptfs_generate_key_packet_set (char *dest_base , struct
ecryptfs_crypt_stat *crypt_stat , struct dentry *ecryptfs_dentry ,
size_t *len , size_t max );

look at her. five whole arguments. she's returned int because of course she is 💀 copy it exactly please, we do not paraphrase signatures in this house 🫶

🦋 ARGUMENTS 🦋

  • dest_base — the virtual address you're writing the key record set to. that's the destination, bestie, your canvas, your blank notes app 📝
  • crypt_stat — the cryptographic context. this is where the authentication tokens get retrieved from, it's like the little purse where the auth toks live 👛
  • ecryptfs_dentry — the dentry 🎀 and it's not just here for vibes: it's used to retrieve the mount crypt stat for the global parameters. very much a "who's your mount" moment.
  • len — the amount written. it's a size_t * so like, it gets filled in. the receipt of how much actually went out 📦
  • max — the maximum amount of data allowed to be written. the boundary, the limit, the respect the ceiling energy 🚧

🌸 DESCRIPTION 🌸

so what does she actually do? she generates a key packet set and writes it to the virtual address passed in 💖 that's the whole bit. generates, writes, done, slay.

returns zero on success; non-zero on error — 0 good, not-0 bad, that's your entire vibe check right there 👑

lowkey important: len is the amount written and max is the cap — so there's a whole "did we fit" situation baked into this function. it's not out here being reckless, it's being a good citizen. periodt.

👑 SEE ALSO 👑

the whole extended friend group, fr fr — they all live in the kernel file ./fs/ecryptfs/keystore.c:

that's fifteen links and yes, we listed every last one, because skipping "boring" entries is not the move 🧚 not me being thorough or whatever 💅

⭐ sign-off time ⭐ — this glorious little page is filed under source ./fs/ecryptfs, dated October 2026, and it lives at ecryptfs_gen...y_packet_set(9) in the Kernel API Manual. no cap, she ate. 🍓🦋✨

📦 where this page comes from