cio_update_schib(9)

💅 cio_update_schib(9)

okay so this page is from the Kernel API Manual, and it's here to explain one tiny iconic kernel function: cio_update_schib. it's literally giving "do the stsch and update the schib when the subchannel is valid" energy, no cap 🦋

✨ NAME ✨

cio_update_schib — perform stsch and update schib if the subchannel is valid.

🌸 SYNOPSIS 🌸

bestie, here's the exact signature — copy it character-for-character:

int cio_update_schib (struct subchannel *sch );

🫶 ARGUMENTS 🫶

• sch — the subchannel on which to perform stsch. This function returns zero on success, -ENODEV if the subchannel is not operational, and -EACCES if the subchannel has no valid device. 💖

🦋 SEE ALSO 🦋

• Kernel file ./drivers/s390/cio/cio.c
• cio_cancel_halt_clear(9)
• cio_enable_subchannel(9)
• cio_disable_subchannel(9)
• cio_tm_start_key(9)
• cio_tm_intrg(9)

okay bye bestie 🎀 source/version cutie: ./drivers/s390/cio · date: October 2026 · page: cio_update_schib(9) — mwah 💖