befs_btree_find(9)

✨ befs_btree_find(9) ✨

okay so bestie, this is the befs_btree_find(9) page from the Kernel API Manual, and it’s literally about finding a key in a befs B+tree. No cap, it’s giving key-lookup main character energy 💅

🌸 NAME 🌸

befs_btree_find — Find a key in a befs B+tree 🦋

✨ SYNOPSIS ✨

int befs_btree_find (struct super_block *sb , const befs_data_stream *ds
, const char *key , befs_off_t * value );

💖 ARGUMENTS 💖

• sb — Filesystem superblock 👑
• ds — Datastream containing btree 🎀
• key — Key string to lookup in btree 🔑
• value — Value stored with key 💾

🦋 DESCRIPTION 🦋

On success, returns BEFS_OK and sets *value to the value stored with key (usually the disk block number of an inode). Slay ✨

On failure, returns BEFS_ERR or BEFS_BT_NOT_FOUND. Not the vibe, but that’s the deal 😭

Algorithm, bestie: Read the superblock and rootnode of the b+tree. Drill down through the interior nodes using befs_find_key. Once at the correct leaf node, use befs_find_key again to get the actual value stored with the key. That’s the whole quest, and it ate 💅

💫 SEE ALSO 💫

Kernel file ./fs/befs/btree.c — plus these SEE ALSO besties:

• befs_bt_read_super(9)
• befs_bt_read_node(9)
• befs_find_key(9)
• befs_btree_read(9)
• befs_btree_seekleaf(9)
• befs_leafnode(9)
• befs_bt_keylen_index(9)
• befs_bt_valarray(9)
• befs_bt_keydata(9)
• befs_bt_get_key(9)
• befs_compare_strings(9)

xoxo, from ./fs/befs 💖 — dated October 2026 — signed befs_btree_find(9) 🫶