disk_zone_capacity(9)

💖 disk_zone_capacity(9) 💖

okay bestie, welcome to the Kernel API Manual — this one's a lil function from the disk_zone_capacity(9) page and it's genuinely so straightforward you're gonna eat 💅

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✨ NAME ✨

disk_zone_capacity — returns the zone capacity of the zone containing @sector 🎀

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🌸 SYNOPSIS 🌸

unsigned int disk_zone_capacity (struct gendisk *disk , sector_t sector );

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🦋 ARGUMENTS 🦋

• disk — the disk you're working with, your main character 🫶
• sector — the sector number, but like… inside the zone you're querying 👑

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⭐ DESCRIPTION ⭐

So here's the tea: it returns the zone capacity of the zone that contains sector ✨ and the iconic part? sector can literally be any sector in the zone — no cap, any of them works, it's not picky 💖

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🌈 SEE ALSO 🌈

• Kernel file ./include/linux/blkdev.h
• genhd capability flags(9)
• disk_openers(9)
• disk_has_partscan(9)
• bio_needs_zone_write_plugging(9)
• blk_alloc_disk(9)
• queue_limits_start_update(9)
• queue_limits_cancel_update(9)
• bio_end_io_acct(9)

like, go read the whole friend group, they're all slay 🔥

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ngl this whole page lives in ./include/linux and it's dated October 2026 — yes she's from the future, we stan a time-traveling queen 👑💜

that's it, that's the page, mwah 💋 — signed, the disk_zone_capacity(9) girlies 🧚‍♀️🍓