sb_write_started(9)

📦 version 7.3.1, in nixpkgs unstable

okay bestie, welcome to sb_write_started(9) from the Kernel API Manual — yes, that’s the manual name, and no, I didn’t forget it. 💅

🎀 NAME 🎀

sb_write_started — check if SB_FREEZE_WRITE is held. That’s the whole vibe: it’s the “is this held??” check, no cap. ✨

✨ SYNOPSIS ✨

bool sb_write_started (const struct super_block *sb );

🫶 ARGUMENTS 🫶

  • sb — the super we write to. Periodt. 💖

💖 DESCRIPTION 💖

okay so real talk: it may be false positive with !CONFIG_LOCKDEP/LOCK_STATE_UNKNOWN. That’s the caveat, bestie — don’t let it gaslight u. 😭

Heads up: false-positive energy is literally possible here with !CONFIG_LOCKDEP/LOCK_STATE_UNKNOWN, so keep that in mind. 🫶

🔥 SEE ALSO 🔥

mwah 💖 this page’s source/version is ./include/linux/fs, and it’s dated October 2026 — bye bestie, go check ur freeze state responsibly! 🎀✨

📦 where this page comes from