vdo_release...eration_lock(9)

vdo_release...eration_lock(9)

okay so bestie, this page is straight out of the Kernel API Manual, and it's all about vdo_release_flush_generation_lock. It's giving “release the lock and let the flushes cook” energy. 💅

✨ NAME ✨

vdo_release_flush_generation_lock — releases the shared lock on a flush generation held by a write data_vio. No cap, that's the whole name vibe.

🦋 SYNOPSIS 🦋

void vdo_release_flush_generation_lock (struct data_vio *data_vio );

🎀 ARGUMENTS 🎀

• data_vio — the data_vio whose lock is to be released. That's it, that's the whole argument. 💖

💖 DESCRIPTION 💖

So here's the tea: if there are pending flushes, and this data_vio completes the oldest generation active in this zone, then an attempt will be made to finish any flushes which may now be complete. Periodt. ✨

🌈 SEE ALSO 🌈

• Kernel file ./drivers/md/dm-vdo/logical-zone.c — the whole scene lives here, iykyk.
• 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)
• vdo_acquire_flush_generation_lock(9)
• notify_flusher(9)
• attempt_generation_complete_notification(9)
• vdo_dump_logical_zone(9)

💖 that's the page, bestie — source/version: ./drivers/md/dm-vdo; date: October 2026. mwah 💋