ceph_start_io_write(9)

💖 ceph_start_io_write(9) 💖

okay so this is from the Kernel API Manual, and it's literally about ceph_start_io_write — yes bestie, the Ceph kernel vibes are immaculate. 🦋

🌸 NAME 🌸

ceph_start_io_write — declare the file is being used for buffered writes. slay.

✨ SYNOPSIS ✨

int ceph_start_io_write (struct inode *inode );

🎀 ARGUMENTS 🎀

• inode — file inode. that's the whole argument, bestie, no hidden extras. 💅

🔥 DESCRIPTION 🔥

So here's the tea: you call this when a buffered write operation is about to start, and it makes sure that all direct I/O gets blocked. no cap, that's the whole job. the way it just declares the buffered-write era is starting and shuts the door on direct I/O? iconic. ✨

🌈 SEE ALSO 🌈

• Kernel file ./fs/ceph/io.c
• ceph_start_io_read(9)
• ceph_end_io_read(9)
• ceph_end_io_write(9)
• ceph_start_io_direct(9)
• ceph_end_io_direct(9)

okay that's the page, bestie — xoxo, it's from ./fs/ceph and dated October 2026 🎀💖