relay_file_open(9)

hiii bestie 💖 you're reading relay_file_open(9) from the Kernel API Manual — it's the open file op for relay files, and it is short. Like, beautifully short. Let's get into it ✨

💖 NAME 💖

relay_file_open — open file op for relay files. That's the whole name, and honestly it ate. 🎀

✨ SYNOPSIS ✨

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

🦋 ARGUMENTS 🦋

• inode — the inode.
• filp — the file.

🌸 DESCRIPTION 🌸

Okay so the description is literally one line and I'm obsessed: it increments the channel buffer refcount. That's it. That's the whole move. No cap. 💅

🎀 SEE ALSO 🎀

Kernel file: ./kernel/relay.c

• relay_mmap_prepare_buf(9)
• relay_alloc_buf(9)
• relay_create_buf(9)
• relay_destroy_channel(9)
• relay_destroy_buf(9)
• relay_remove_buf(9)
• relay_buf_empty(9)
• relay_buf_full(9)
• wakeup_readers(9)
• __relay_reset(9)
• relay_reset(9)
• relay_close_buf(9)
• relay_open(9)
• relay_switch_subbuf(9)
• relay_subbufs_consumed(9)
• relay_close(9)
• relay_flush(9)
• relay_stats(9)
• relay_file_mmap_prepare(9)
• relay_file_poll(9)
• relay_file_release(9)
• relay_file_read_subbuf_avail(9)
• relay_file_read_start_pos(9)
• relay_file_read_end_pos(9)

okay that's the page, bestie 🫶 — source/version: ./kernel, date: October 2026. mwah 💋