nilfs_bmap_delete(9)

📦 version 7.3.1, in nixpkgs unstable

💅 nilfs_bmap_delete(9) 💅

ok so like, welcome to the Kernel API Manual bestie ✨ this one's from nilfs_bmap_delete(9) and it's genuinely so straightforward you're gonna slay it.

🌸 NAME 🌸

nilfs_bmap_delete — delete a key-record pair from a bmap 🎀

✨ SYNOPSIS ✨

int nilfs_bmap_delete (struct nilfs_bmap *bmap , __u64 key );

like, that's the whole signature. no cap. 🫶

🦋 ARGUMENTS 🦋

  • bmap — bmap 💖
  • key — key 💖

(yeah the manpage is literally that chill about it, we're not gonna over-explain — it's a bmap and it's a key, iykyk)

💜 DESCRIPTION 💜

okay so here's the vibe: nilfs_bmap_delete deletes the key-record pair specified by key from bmap. that's it. that's the whole thing. it takes the key, it finds the record, it's gone. iconic behavior honestly 👑

🔥 RETURN 🔥

it returns 0 on success ✨ — or one of these negative error codes on failure (yes they're negative, they're little haters):

  • -EIO — I/O error (including metadata corruption) 😭 like the disk is not okay
  • -ENOENT — a record associated with key does not exist 💀 nothing to delete, bestie
  • -ENOMEM — insufficient memory available 🙈 out of RAM, tragic

🌈 SEE ALSO 🌈

kernel file ./fs/nilfs2/bmap.c — go read the source, it's giving main character energy 📖✨

and all the sibling functions, aka the whole bmap friend group 🫶:

okay that's the whole page, mwah 💋 this came out of ./fs/nilfs2, dated October 2026, and it's the nilfs_bmap_delete(9) page — go forth and delete those key-record pairs, you've got this 🧚‍♀️💖

📦 where this page comes from