bdev_zone_is_seq(9)

💅 bdev_zone_is_seq 💅

okay so this is a page from the Kernel API Manual — yes bestie, the actual kernel manpages, we're reading them for fun now, that's the energy 🎀

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✨ NAME ✨

bdev_zone_is_seq — check if a sector belongs to a sequential write zone. that's it, that's the whole gig 🫶

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🌸 SYNOPSIS 🌸

bool bdev_zone_is_seq (struct block_device *bdev , sector_t sector );

like, you hand it a device and a sector, and it hands you back a bool. short and sweet, no cap 💖

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🦋 ARGUMENTS 🦋

• bdev — the block device you wanna check. give it the device, bestie 🫶
• sector — a sector number. just a number. iconic of it honestly ✨

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🔥 DESCRIPTION 🔥

so the whole vibe is: it checks if sector on bdev is contained in a sequential write required zone 💅 that's the function, that's the check, periodt.

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🌈 SEE ALSO 🌈

kernel file ./block/blk-zoned.c — that's where this lives, iykyk 📁

and then the whole friend group of zone functions, all slaying in their own way:

• blk_zone_cond_str(9)
• blkdev_report_zones(9)
• blkdev_zone_mgmt(9)
• disk_report_zone(9)
• blkdev_get_zone_info(9)
• blkdev_report_zones_cached(9)
• blk_zone_plug_bio(9)
• blk_revalidate_disk_zones(9)
• blk_zone_issue_zeroout(9)

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ngl this one's tiny, but tiny pages deserve love too 🍓 read the whole zone crew if you wanna actually understand zoned storage, fr fr 👑

and that's a wrap 💜 this came from ./block, dated October 2026, and it's bdev_zone_is_seq(9) signing off — mwah, go check your zones bestie 😭✨