simple_xattr_add(9)

📦 version 7.3.1, in nixpkgs unstable

💖 simple_xattr_add(9) — Kernel API Manual 💖

okay so bestie, welcome to simple_xattr_add(9) ✨ this one lives in the Kernel API Manual and it's literally the "just drop the xattr in, no drama" function. no cap.

🌸 SYNOPSIS 🌸

int simple_xattr_add (struct simple_xattr_cache *cache , struct
list_head *xattrs , struct simple_xattr *new_xattr );

🎀 ARGUMENTS 🎀

  • cache — anchor for the hash table 🫶 like, the home base the hash table hangs off of.
  • xattrs — the header of the xattr object ✨ the list you're plugging into.
  • new_xattr — the xattr object to add 💅 the actual newbie joining the group chat.

🦋 DESCRIPTION 🦋

So what it does: it adds an xattr object to xattrs. simple as that, fr fr.

⚠️ important vibe check: this function assumes you do not want matching xattrs replaced or removed. it's not doing any of that matching-and-merging business.

It should only be called during inode initialization — the specific situation being when a few distinct initial xattrs are supposed to be set. so like, setup era only, not casual everyday calls, iykyk 🙈

⭐ RETURN ⭐

  • On success, zero is returned. slay 💖
  • On failure, a negative error code is returned. 💀 and yes, negative = something went wrong, no cap.

🧚 SEE ALSO 🧚

Kernel file ./fs/xattr.c (the iconic source file itself), and then this whole squad of related functions — go read them, they're all main characters:

and that's the whole page, bestie — go forth and add those xattrs responsibly 💜

🌸 sign-off time: this lil page came from ./fs, dated October 2026, and it's the simple_xattr_add(9) manual page. mwah, ily, bye 🎀✨

📦 where this page comes from