shrink_tnc_trees(9)

🦋 shrink_tnc_trees(9) — a lil' page from the Kernel API Manual 🎀

okay so bestie, welcome to the Kernel API Manual corner of the universe ✨ this one's all about shrink_tnc_trees and honestly? it's giving cleanup era 💅

---

💖 NAME 💖

shrink_tnc_trees — shrinks UBIFS TNC trees, no cap 🌸

---

✨ SYNOPSIS ✨

int shrink_tnc_trees (int nr , int age , int *contention );

---

🫶 ARGUMENTS 🫶

• nr — the number of znodes to free 👑 like, the goal number, the quota, the "we need at least this many" of it all
• age — the age of znodes to free ⭐ only the ones old enough get the boot
• contention — if there's any contention, this gets set to 1 🚨 yep, that's literally it, that's the whole job

---

🌈 DESCRIPTION 🌈

so what does it actually do? okay so — it walks the list of mounted UBIFS file-systems 😌 and frees clean znodes that are older than age, and it keeps going until at least nr znodes are freed 🔥

then it returns the number of freed znodes 🎀 that's the vibe check result, iykyk

---

🧚 SEE ALSO 🧚

• Kernel file ./fs/ubifs/shrinker.c 📁
• shrink_tnc(9)
• kick_a_thread(9) 💀

---

ngl bestie, this one's short and sweet — read it, love it, ship it 🙈

---

and that's the whole page, periodt 💅 mwah 🫶

that was ./fs/ubifs, October 2026 — ty for coming to my ted talk, ily, bye ✨💜