vdo_acquire...eration_lock(9)

💅 vdo_acquire...eration_lock(9) — from the Kernel API Manual, bestie

okay so real talk, this is a kernel API page, the manual is literally called Kernel API Manual, and the star of the show is vdo_acquire_flush_generation_lock. she's giving very niche, very important, very "if you know you know" energy 🎀

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✨ NAME ✨

vdo_acquire_flush_generation_lock — lowkey her whole job is acquiring the shared lock on a flush generation, and she does it on behalf of a write data_vio. that's it, that's the gig 🌸

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🦋 SYNOPSIS 🦋

void vdo_acquire_flush_generation_lock (struct data_vio *data_vio );

like, look at her. returns void. takes exactly one thing. no drama ✨

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💖 ARGUMENTS 💖

• data_vio — the data_vio in question. yep. that's the entire description. iconic minimalism, honestly 🫶

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🔥 SEE ALSO 🔥

bestie go read the kernel file ./drivers/md/dm-vdo/logical-zone.c and then literally all of these, no skips 👑

• as_logical_zone(9)
• initialize_zone(9)
• vdo_make_logical_zones(9)
• vdo_free_logical_zones(9)
• check_for_drain_complete(9)
• vdo_resume_logical_zones(9)
• update_oldest_active_generation(9)
• vdo_increment_logical_zone_flush_generation(9)
• notify_flusher(9)
• attempt_generation_complete_notification(9)
• vdo_release_flush_generation_lock(9)
• vdo_dump_logical_zone(9)

ngl that's a whole friend group of functions and every single one of them is required reading. the way this page just lists them all, no explanations, just vibes 😭💀

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and that's the whole page, bestie, short and slay 💅 this lil beauty comes to you from ./drivers/md/dm-vdo and it's dated October 2026 — yes, future girlie behavior, we love to see it 🌈⭐💜