is_data_vio(9)

💅 is_data_vio — from the Kernel API Manual (section 9, bestie) 🎀

Okay so picture this: you're deep in the kernel, you've got a vio in your hands, and you just need to know — is this thing out here servicing an external data request, or is it doing something else entirely? That's literally the whole job of is_data_vio. It's a vibe check for your vio. ✨

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🦋 NAME 🦋

is_data_vio — check whether a vio is servicing an external data request. That's it, that's the function, no cap. 💖

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🌸 SYNOPSIS 🌸

bool is_data_vio (struct vio *vio );

She returns a bool, she takes a struct vio *, she's lowkey iconic. 👑

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🎀 ARGUMENTS 🎀

• vio — the vio you want to check. Your main character, if you will. 💅

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⭐ SEE ALSO ⭐

Kernel file ./drivers/md/dm-vdo/vio.h, plus the whole friend group:

• as_vio(9)
• get_vio_bio_zone_thread_id(9)
• assert_vio_in_bio_zone(9)
• initialize_vio(9)
• get_metadata_priority(9)
• continue_vio(9)
• continue_vio_after_io(9)

Go read them, iykyk. 🫶

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fr fr bestie, this is the kind of one-liner you'll call before you do anything else with a vio — check first, then slay. 💀

That's the whole page, we ate and left no crumbs. 💜 🍓 🧚

Shoutout to ./drivers/md/dm-vdo — this one's dated October 2026, section 9 of the Kernel API Manual. Catch you in the next manpage, mwah! 🌈 💖