gfs2_lock(9)

✨ NAME ✨

gfs2_lock — acquire/release a posix lock on a file. Okay bestie, this page is from the Kernel API Manual, and the main character is literally gfs2_lock. 💅

🌸 SYNOPSIS 🌸

int gfs2_lock (struct file *file , int cmd , struct file_lock *fl );

🎀 ARGUMENTS 🎀

• file — the file pointer 🫶
• cmd — either modify or retrieve lock state, possibly wait ⏳
• fl — type and range of lock 🔒

💖 RETURN 💖

errno — that's the return, bestie. periodt. ✨

🦋 SEE ALSO 🦋

Kernel file ./fs/gfs2/file.c — and the whole friend group:

• gfs2_llseek(9)
• gfs2_readdir(9)
• do_gfs2_set_flags(9)
• gfs2_size_hint(9)
• gfs2_allocate_folio_backing(9)
• gfs2_page_mkwrite(9)
• gfs2_mmap(9)
• gfs2_open_common(9)
• gfs2_open(9)
• gfs2_release(9)
• gfs2_fsync(9)
• gfs2_file_write_iter(9)
• calc_max_reserv(9)
• gfs2_flock(9)

mwah 💋 this cute little page is from source/version ./fs/gfs2, dated October 2026, and yes the title is gfs2_lock(9) — bye bestie, slay responsibly 🫶✨