__ubifs_node_calc_hash(9)

✨ __ubifs_node_calc_hash(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this is the page for __ubifs_node_calc_hash — yes the one with the double underscore, she's special like that 🎀

🌸 NAME 🌸

__ubifs_node_calc_hash — calculate the hash of a UBIFS node 🧚

🦋 SYNOPSIS 🦋

int __ubifs_node_calc_hash (const struct ubifs_info *c , const void
       *node , u8 *hash );

💖 ARGUMENTS 💖

• c — the UBIFS file-system description object 🗂️ like, this is the whole vibe of the filesystem in one struct, she's the main character
• node — the node you want a hash for. yes, that node. hand her over 🔥
• hash — the returned hash 💫 it comes back out through here, so this is your output spot, don't lose it

🌈 DESCRIPTION 🌈

The way this function just... does the thing 💅 it returns 0 for success, or a negative error code otherwise. that's it, that's the whole description, no cap 😭

fr fr: 0 = slay, negative = something went sideways 🙈

👑 SEE ALSO 👑

Kernel file ./fs/ubifs/auth.c — go read her, she's iconic 📖 and also these besties:

• ubifs_hash_calc_hmac(9)
• ubifs_prepare_auth_node(9)
• __ubifs_hash_get_desc(9)
• ubifs_bad_hash(9)
• __ubifs_node_check_hash(9)
• ubifs_sb_verify_signature(9)
• ubifs_init_authentication(9)
• __ubifs_exit_authentication(9)
• ubifs_node_calc_hmac(9)
• __ubifs_node_insert_hmac(9)
• __ubifs_node_verify_hmac(9)
• ubifs_hmac_wkm(9)

and that's the page, bestie 🫶 sourced straight from ./fs/ubifs, dated October 2026, living under the Kernel API Manual umbrella — periodt 💜⭐