vfs_cancel_lock(9)

📦 version 7.3.1, in nixpkgs unstable

✨ vfs_cancel_lock(9) ✨

okay so bestie, welcome to the Kernel API Manual 🎀 — today's main character is vfs_cancel_lock, and honestly? she's short, she's sweet, she does one thing and she does it slayfully. no cap. 💅

💖 NAME 💖

vfs_cancel_lock — file byte range unblock lock 🦋

like, it unblocks a blocked byte-range lock request. that's the whole vibe. periodt.

🌸 SYNOPSIS 🌸

int vfs_cancel_lock (struct file *filp , struct file_lock *fl );

look at her. two args, returns an int, zero drama. 😭

🧚 ARGUMENTS 🧚

  • filp — the file you're applying the unblock to 🫶 like, the file. the one getting unblocked. yes that one.
  • fl — the lock that's getting unblocked 👑 this is the actual lock being cancelled, bestie, hold her gently.

⭐ DESCRIPTION ⭐

so the whole point: lock managers use this to cancel blocked requests 🔥 that's it. that's the function. if you're a lock manager with a blocked request that needs cancelling, this is your girl. iykyk. 💜

no mystery, no hidden lore — used by lock managers to cancel blocked requests. iconic behaviour, honestly. 🌈

🦋 SEE ALSO 🦋

Kernel file ./fs/locks.c and the whole friend group:

literally the entire lock-adjacent friend group showed up to the group chat 💀 love that for them. go read all twenty, no skipping, i'll know. 🙈

lowkey a reminder: this page lives in ./fs and it's dated October 2026 — so if you're reading this from the future, hi bestie, you're doing amazing 🍓

mwah, that's the page!! sourced from ./fs, stamped October 2026, in the Kernel API Manual 💖✨ go cancel some blocked requests, queen 👑💅

📦 where this page comes from