vdo_submit_vio(9)

🎀 vdo_submit_vio(9) 🎀

Okay so welcome to this Kernel API Manual entry, bestie. We’re talking about vdo_submit_vio(9) — the function that submits a vio’s bio to the underlying block device. It lowkey may block if the device is busy, so keep that in mind. This callback should be used by vios which did not attempt to merge. Periodt.

✨ NAME ✨

vdo_submit_vio — submits a vio’s bio to the underlying block device. May block if the device is busy. This callback should be used by vios which did not attempt to merge.

🌸 SYNOPSIS 🌸

void vdo_submit_vio (struct vdo_completion *completion );

💅 ARGUMENTS 💅

• completion — the vio to submit. That’s the one, bestie.

🦋 SEE ALSO 🦋

Kernel file ./drivers/md/dm-vdo/io-submitter.c, plus these iconic functions:

• count_all_bios(9)
• assert_in_bio_zone(9)
• send_bio_to_device(9)
• get_bio_list(9)
• submit_data_vio(9)
• get_mergeable_locked(9)
• try_bio_map_merge(9)
• vdo_submit_data_vio(9)
• __submit_metadata_vio(9)
• vdo_submit_metadata_vio_wait(9)
• vdo_make_io_submitter(9)
• vdo_cleanup_io_submitter(9)
• vdo_free_io_submitter(9)

This page is brought to you by ./drivers/md/dm-vdo, October 2026 edition — slay, and happy submitting 💖