ccw_request_cancel(9)

okay bestie, welcome to ccw_request_cancel(9) from the Kernel API Manual — yes, the manual name is right there, folded in like a cute little note 🫶

✨ NAME ✨

ccw_request_cancel — cancel running I/O request 💅

🎀 SYNOPSIS 🎀

int ccw_request_cancel (struct ccw_device *cdev );

🌸 ARGUMENTS 🌸

• cdev — ccw device, bestie. that's the one 🦋

💅 DESCRIPTION 💅

okay so this one cancels the I/O request specified by cdev->req. that's the whole vibe ✨

it returns non-zero if the request has already finished, and zero otherwise — no cap, that's the return contract 💖

🦋 SEE ALSO 🦋

• Kernel file ./drivers/s390/cio/ccwreq.c
• lpm_adjust(9)
• ccw_request_start(9)
• ccw_request_handler(9)
• ccw_request_timeout(9)
• ccw_request_notoper(9)

okay bye bestie — this little gem comes from ./drivers/s390/cio, dated October 2026, and it's literally the ccw_request_cancel(9) page 💅🎀