comp_open(9)

💅 comp_open(9) — Kernel API Manual

Okay bestie, welcome to the group chat for comp_open(9) from the Kernel API Manual ✨ It's a tiny little function but it's literally doing main character work, so let's get into it 🫶

---

✨ NAME ✨

comp_open — the syscall-side bestie that opens the device for you 👑

---

🌸 SYNOPSIS 🌸

int comp_open (struct inode *inode , struct file *filp );

---

🎀 ARGUMENTS 🎀

• inode — the inode pointer, iconic, showing up to do its job 🦋
• filp — the file pointer, aka the other half of this duo 💖

---

⭐ DESCRIPTION ⭐

So here's the vibe: this function stores the channel pointer in the private data field of the file structure 📂 and then activates the channel within the core 🔥 That's the whole tea — no cap, that's literally it. Short, sweet, and slaying 💅

---

🌈 SEE ALSO 🌈

• Kernel file ./drivers/most/most_cdev.c
• comp_close(9)
• comp_write(9)
• comp_read(9)
• comp_disconnect_channel(9)
• comp_rx_completion(9)
• comp_tx_completion(9)
• comp_probe(9)

Like, go read the whole friend group, they all link up 🧚

---

ngl this one's a short read, but every detail ate and left no crumbs 🍓

./drivers/most · October 2026 · comp_open(9) — mwah, that's the source and date, love u, bye bestie 💜🎀