zfcp_qdio_open(9)

✨ zfcp_qdio_open(9) ✨

okay so bestie, welcome to the Kernel API Manual entry for zfcp_qdio_open 💅 this is a kernel function, not a command you type in your shell — so like, no flags to memorize, no --help to panic-parse. it's just a lil function that shows up in zfcp_qdio(9) land, and we're gonna get you all the way caught up. 🫶

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🌸 NAME 🌸

zfcp_qdio_open — prepare and initialize response queue 💖

like, that's her whole job. she preps it, she inits it, she's the response queue's personal hype woman. ✨

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🦋 SYNOPSIS 🦋

int zfcp_qdio_open (struct zfcp_qdio *qdio );

yep, that's the whole signature — one arg, returns an int. no cap, that's it. 🎀

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🎀 ARGUMENTS 🎀

• qdio — pointer to struct zfcp_qdio. literally just a pointer. hand her the struct and she'll do her thing. 🫡

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🔥 RETURN 🔥

• 0 on success 🎉 (slay, we love a zero)
• otherwise -EIO 😭 (that's the "something went sideways" era)

that's the entire return contract, iykyk. no in-between, no secret third option. periodt. 💀

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💜 SEE ALSO 💜

okay this is the friend group, and you should absolutely meet all of them:

• Kernel file ./drivers/s390/scsi/zfcp_qdio.c 📁 — that's where she lives, that's her address, that's the source file
• zfcp_qdio_sbals_from_sg(9)
• zfcp_qdio_sbal_get(9)
• zfcp_qdio_send(9)
• zfcp_qdio_allocate(9)
• zfcp_qdio_close(9)
• zfcp_qdio_siosl(9)

main character energy all around, honestly. 👑

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ngl bestie, the whole page is right there — no hidden sections, no sneaky optional params, nothing to "fix". if it's not written above, it's not part of the deal. 🙈

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🌷 and that's the vibe check, we're done! this little love letter came out of ./drivers/s390/scsi and the date on her birth certificate says October 2026 🗓️✨ take her, she's yours now. mwah 💋🎀