kernfs_notify(9)

🌸 NAME 🌸

Okay bestie, this is kernfs_notify(9) from the Kernel API Manual, and it is literally about how to notify a kernfs file ✨. It’s giving tiny wake-up-call energy, no cap 💅.

✨ SYNOPSIS ✨

void kernfs_notify (struct kernfs_node *kn );

🎀 ARGUMENTS 🎀

• kn — the file to notify, bestie 🦋

💖 DESCRIPTION 💖

You notify kn so that a poll(2) on kn wakes up. The way this is iconic? It can be called from any context 👑. That’s the whole vibe: notify the file, wake the poll, slay 💅.

🔥 SEE ALSO 🔥

• Kernel file ./fs/kernfs/file.c of_on(9)
• kernfs_deref_open_node_locked(9)
• kernfs_get_open_node(9)
• kernfs_unlink_open_file(9)
• __kernfs_create_file(9)

Big lil sign-off kiss 😭💖: this page comes from the ./fs/kernfs source/version corner, dated October 2026, and yeah — kernfs_notify(9) said what it said 🫶🎀.