ecryptfs_process_response(9)

📦 version 7.3.1, in nixpkgs unstable

🦋 ecryptfs_process_response(9) 🦋

okay so bestie, welcome to the Kernel API Manual page for ecryptfs_process_response — yes, that's the manual name, we're in kernel-land now, slay. hydrate first, this is gonna be a little journey. 💧✨

✨ NAME ✨

  • ecryptfs_process_response — and the official one-line description is... blank. no cap. the NAME section literally ends at the dash. mysterious. main character energy. 💅

🌸 SYNOPSIS 🌸

here's the signature, verbatim, don't touch it:

int ecryptfs_process_response (struct ecryptfs_daemon *daemon , struct ecryptfs_message *msg , u32 seq );

🎀 ARGUMENTS 🎀

  • daemon — the eCryptfs daemon object. that's the vibe. 👑
  • msg — the ecryptfs message that got received. heads up: the caller should sanity check msg->data_len and free the memory. yes, that's on you, bestie. 🧚
  • seq — the sequence number of the message. it must match the sequence number for the existing message context waiting for this response. no skipping the line, it's a whole matching situation. 🔥

💜 DESCRIPTION 💜

so what does it do? ecryptfs_process_response processes a response message after an operation request has been sent to userspace. some other process is out here awaiting this response. yes, the suspense is real. 😭

before sending out its first communications, that other process allocated a msg_ctx from the ecryptfs_msg_ctx_arr at a particular index. the response message contains this index so that we can copy the response message over into the msg_ctx that the process holds a reference to. it's giving “package delivered to the right locker” energy. 📦

then the other process is gonna wake up, check to see that msg_ctx->state == ECRYPTFS_MSG_CTX_STATE_DONE, and then proceed to read off and process the response message. literally the whole handoff. 🫶

returns zero upon delivery to the desired context element; non-zero upon delivery failure or error. and fr fr: returns zero on success; non-zero otherwise. that's the whole return vibe. ✅

🌈 SEE ALSO 🌈

Kernel file: ./fs/ecryptfs/messaging.c — and the whole friend group:

okay that's the page! source/version: ./fs/ecryptfs · date: October 2026 · page: ecryptfs_process_response(9). mwah, stay encrypted, bestie 💋✨

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