key_test_hash(9)

📦 version 7.3.1, in nixpkgs unstable

okay so welcome to the key_test_hash(9) page from the Kernel API Manual, bestie 💅✨ this one is short and sweet and it’s giving “kernel helper that does exactly what it says” energy.

💖 NAME 💖

key_test_hash — testing hash function. that’s it, that’s the name, no cap 🫶

✨ SYNOPSIS ✨

here’s the exact signature, character for character — don’t tweak it, bestie:

uint32_t key_test_hash (const char *str , int len );

🎀 ARGUMENTS 🎀

two args, both lowkey essential:

  • str — the direntry name (yes, that exact spelling, bestie) 👑
  • len — the name length, aka how long the name is 🎀

🌸 SEE ALSO 🌸

Kernel file ./fs/ubifs/key.h is the source-file reference, and the whole SEE ALSO squad is literally:

that’s the whole page, bestie — source/version footer vibe: ./fs/ubifs, October 2026, page key_test_hash(9) 🫶💖

📦 where this page comes from