vdo_complete_flush_callback(9)

💅 vdo_complete_flush_callback(9) — from the Kernel API Manual, bestie ✨

okay so picture this: you're deep in the kernel, the manual is called vdo_complete_flush_callback, and it's literally your girl's whole job to wrap up a flush request and free it. no cap. 🎀

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🌸 NAME 🌸

vdo_complete_flush_callback — the function that gets called to complete and free a flush request, and it's the one registered in vdo_complete_flush(). that's it, that's the vibe. 🦋

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✨ SYNOPSIS ✨

void vdo_complete_flush_callback (struct vdo_completion *completion );

like, look at her. void return, one arg, main character energy only. 💅

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🧚 ARGUMENTS 🧚

• completion — the flush request itself. that's the whole thing you're handing over. 🫶

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🔥 SEE ALSO 🔥

so the kernel file you wanna peek at is ./drivers/md/dm-vdo/flush.c, and here's the whole friend group — every single one of these, no skipping, periodt:

• assert_on_flusher_thread(9)
• as_flusher(9)
• completion_as_vdo_flush(9)
• vdo_waiter_as_flush(9)
• vdo_make_flusher(9)
• vdo_free_flusher(9)
• vdo_get_flusher_thread_id(9)
• finish_notification(9)
• flush_packer_callback(9)
• increment_generation(9)
• notify_flush(9)
• flush_vdo(9)
• check_for_drain_complete(9)
• vdo_complete_flushes(9)
• vdo_dump_flusher(9)
• initialize_flush(9)
• vdo_launch_flush(9)
• release_flush(9)
• select_bio_queue(9)
• vdo_complete_flush(9)
• vdo_drain_flusher(9)
• vdo_resume_flusher(9)

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ngl bestie, that's a whole lot of flusher functions. iykyk. 💀

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and that's the page!! 🍓 living in ./drivers/md/dm-vdo, dated October 2026, and yeah — the manual name is vdo_complete_flush_callback(9) in case you forgot already 🙈. slay, go read your kernel source, mwah 💖👑