cdev_init(9)

💖 cdev_init(9) — Kernel API Manual 💖

okay bestie, welcome to the cdev_init(9) page from the Kernel API Manual 💅 this one is short, sweet, and lowkey essential — the way that it's literally the setup bestie before your device makes its main-character entrance. no cap.

🌸 NAME 🌸

cdev_init — initialize a cdev structure

🎀 SYNOPSIS 🎀

void cdev_init (struct cdev *cdev , const struct file_operations *fops
);

🦋 ARGUMENTS 🦋

• cdev — the structure to initialize. this is the cdev getting its little setup moment ✨
• fops — the file_operations for this device. it's the thing cdev is gonna remember 👑

✨ DESCRIPTION ✨

okay so here's the tea, fr fr: cdev_init initializes cdev, remembers fops, and makes it ready to add to the system with cdev_add. that's the whole vibe. it's highkey giving “prep era” — get it set up, remember the file_operations, and be ready for cdev_add. periodt 💅

🌈 SEE ALSO 🌈

Kernel file ./fs/char_dev.c is where the friend group lives 🫶:

• register_chrdev_region(9)
• alloc_chrdev_region(9)
• __register_chrdev(9)
• unregister_chrdev_region(9)
• __unregister_chrdev(9)
• cdev_add(9)
• cdev_set_parent(9)
• cdev_device_add(9)
• cdev_device_del(9)
• cdev_del(9)
• cdev_alloc(9)

mwah 💋 — this page's source/version is ./fs, and it's dated October 2026. go be iconic with your cdev bestie 🌟