zfcp_qdio_real_bytes(9)

💖 zfcp_qdio_real_bytes — like, the whole manual, bestie 💖

Okay so real talk, this one's a tiny little cutie from the Kernel API Manual, and it does exactly one thing but it does it flawlessly. Slay. ✨

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🌸 NAME 🌸

zfcp_qdio_real_bytes — count bytes used 🧮💅

no cap, that's the whole job. count. the. bytes.

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🎀 SYNOPSIS 🎀

unsigned int zfcp_qdio_real_bytes (struct scatterlist *sg );

it's giving "one function, one argument, zero drama" 🦋

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🫶 ARGUMENTS 🫶

• sg — pointer to struct scatterlist. that's it. that's the argument. it's literally just a pointer and we love that for it 💜

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🔥 SEE ALSO 🔥

bestie the lore is all in the kernel file ./drivers/s390/scsi/zfcp_qdio.h — go read it, iykyk 👑

and then the whole friend group of related functions, all iconic, all linked:

• struct zfcp_qdio(9)
• struct zfcp_qdio_req(9)
• zfcp_qdio_sbale_req(9)
• zfcp_qdio_sbale_curr(9)
• zfcp_qdio_req_init(9)
• zfcp_qdio_fill_next(9)
• zfcp_qdio_set_sbale_last(9)
• zfcp_qdio_skip_to_last_sbale(9)
• zfcp_qdio_sbal_limit(9)
• zfcp_qdio_set_data_div(9)
• zfcp_qdio_set_scount(9)

⭐ pro tip from your girl: that list is where the actual vibes live. zfcp_qdio_real_bytes is the main character here but the supporting cast ate. 💀

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and that's the whole page, periodt 🎀

this little masterpiece lives in ./drivers/s390/scsi, and it's stamped October 2026 — screenshot it, frame it, put it on your wall 🌈💖 mwah, bye bestie! 🦋