security_sb_clone_mnt_opts(9)

📦 version 7.3.1, in nixpkgs unstable

okay so welcome to security_sb_clone_mnt_opts(9) from the Kernel API Manual, bestie 💖. This is the page for duplicating superblock mount options, and it's honestly lowkey a one-job icon.

🎀 NAME 🎀

security_sb_clone_mnt_opts — duplicate superblock mount options. Yep, that's the whole name; it copies the security options from one superblock to another, no cap.

✨ SYNOPSIS ✨

Here's the exact signature, copied with love and zero edits:

int security_sb_clone_mnt_opts (const struct super_block *oldsb , struct
       super_block *newsb , unsigned long kern_flags , unsigned long
       *set_kern_flags );

🫶 ARGUMENTS 🫶

  • oldsb — source superblock. This is where the security opts are coming from. 💅
  • newsb — destination superblock. This is where they're going.
  • kern_flags — kernel flags, and it's the in situation: kernel flags (in).
  • set_kern_flags — kernel flags, but the out situation: kernel flags (out).

🌸 DESCRIPTION 🌸

Copy all security options from a given superblock to another. That's it. That's the function. It's giving “clone those mount security vibes,” periodt. 😌

⭐ RETURN ⭐

Returns 0 on success, and an error on failure. So if you get 0, slay. If you get an error, that's the failure vibe. 😭

🔗 SEE ALSO 🔗

Kernel file: ./security/security.c. And here's the full extended squad, every single reference, because we do not skip the boring parts in this house:

and that's the whole page, bestie 🫶. This masterpiece is from source/version ./security, dated October 2026, and it's the security_sb_clone_mnt_opts(9) manual page. now go clone those mount options and slay 💅✨.

📦 where this page comes from